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FSC 3120 × BEARING,SLEEVE

BEARING,SLEEVE

3120-01-286-8029 FSC 3120

NSN 3120-01-286-8029 (also written 3120012868029; NIIN 01-286-8029) is a bearing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE4A6-27-T-8939 4 Closes in 6d Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (AMC)
1
Suffix (AMSC)
B
Competition
Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. The codes describe the item's status on record, not any one solicitation. What the codes mean

What it is — can you make it?

Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.

Dimensioned drawing

Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.

UNITS: INCHES END VIEW FLANGE OD ⌀1.855–1.875 BODY OD ⌀1.3268–1.3271 BORE ⌀1.1255–1.126 SECTION 1.0915 LG 0.089–0.094 FLG W 3120-01-286-8029 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE BEARING,SLEEVE · RIGHT END SURFACE OF LEFT FLANGE STEEL COMP… · RIGHT END SURFACE OF BODY HR…

Specifications

From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.

Requirement Value
OVERALL LENGTH ABHP INCHES NOMINAL 1.0915
BODY OUTSIDE DIAMETER ADAR INCHES MINIMUM 1.3268 AND INCHES MAXIMUM 1.3271
BODY INSIDE DIAMETER ADAS INCHES MINIMUM 1.1255 AND INCHES MAXIMUM 1.1260
FLANGE OUTSIDE DIAMETER AEPR INCHES MINIMUM 1.8550 AND INCHES MAXIMUM 1.8750
FLANGE WIDTH AGFF INCHES MINIMUM 0.0890 AND INCHES MAXIMUM 0.0940
CORNER SHAPE BZLX INSIDE LEFT CORNER SQUARE
CORNER SHAPE BZLX OUTSIDE RIGHT CORNER SQUARE
CORNER SHAPE BZLX LEFT FLANGE OUTSIDE RIGHT CORNER SQUARE
CORNER SHAPE BZLX INSIDE RIGHT CORNER SQUARE
CORNER SHAPE BZLX LEFT FLANGE BODY CORNER UNDERCUT
CORNER SHAPE BZLX OUTSIDE LEFT CORNER SQUARE
HARDNESS RATING CQFM RIGHT END SURFACE OF BODY ROCKWELL C NOMINAL 27.0
HARDNESS RATING CQFM OUTSIDE DIAMETER SURFACE OF BODY ROCKWELL C NOMINAL 27.0
HARDNESS RATING CQFM RIGHT END SURFACE OF LEFT FLANGE ROCKWELL C NOMINAL 27.0
HARDNESS RATING CQFM LEFT END SURFACE OF BODY AND FLANGE ROCKWELL C NOMINAL 27.0
HARDNESS RATING CQFM OUTSIDE DIAMETER SURFACE OF FLANGE ROCKWELL C NOMINAL 27.0
SPECIAL FEATURES FEAT MAGNETIC PARTICLE INSPECTION PER HP6-5,CAGEC 02731
MATERIAL MATT RIGHT END SURFACE OF LEFT FLANGE STEEL COMP 630
MATERIAL MATT INSIDE DIAMETER SURFACE OF BODY PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC POLYAMIDE NYLON OR PLASTIC PHENOLIC
MATERIAL MATT OUTSIDE DIAMETER SURFACE OF BODY STEEL COMP 630
MATERIAL MATT RIGHT END SURFACE OF BODY STEEL COMP 630
MATERIAL MATT OUTSIDE DIAMETER SURFACE OF FLANGE STEEL COMP 630
MATERIAL MATT LEFT END SURFACE OF BODY AND FLANGE STEEL COMP 630
MATERIAL DOCUMENT AND CLASSIFICATION MDCL RIGHT END SURFACE OF BODY ASSN STD SINGLE MATERIAL RESPONSE A-S5643
MATERIAL DOCUMENT AND CLASSIFICATION MDCL INSIDE DIAMETER SURFACE OF BODY MIL SPEC ALL MATERIAL RESPONSES -IL-B-81820
MATERIAL DOCUMENT AND CLASSIFICATION MDCL LEFT END SURFACE OF BODY AND FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643
MATERIAL DOCUMENT AND CLASSIFICATION MDCL OUTSIDE DIAMETER SURFACE OF FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643
MATERIAL DOCUMENT AND CLASSIFICATION MDCL RIGHT END SURFACE OF LEFT FLANGE ASSN STD SINGLE MATERIAL RESPONSE A-S5643
MATERIAL DOCUMENT AND CLASSIFICATION MDCL OUTSIDE DIAMETER SURFACE OF BODY ASSN STD SINGLE MATERIAL RESPONSE A-S5643
SURFACE TREATMENT SFTT RIGHT END SURFACE OF BODY PASSIVATE
SURFACE TREATMENT SFTT OUTSIDE DIAMETER SURFACE OF BODY PASSIVATE
SURFACE TREATMENT SFTT RIGHT END SURFACE OF LEFT FLANGE PASSIVATE
SURFACE TREATMENT SFTT LEFT END SURFACE OF BODY AND FLANGE PASSIVATE
SURFACE TREATMENT SFTT OUTSIDE DIAMETER SURFACE OF FLANGE PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OUTSIDE DIAMETER SURFACE OF BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC RIGHT END SURFACE OF BODY FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC LEFT END SURFACE OF BODY AND FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC RIGHT END SURFACE OF LEFT FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC OUTSIDE DIAMETER SURFACE OF FLANGE FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
STYLE DESIGNATOR STYL —
SPECIFICATION/STANDARD DATA ZZZK MANUFACTURERS STANDARD 02731-HS5445

Manufacturer part numbers

Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.

Part number CAGE Manufacturer
HS5445-1 02731 MCDONNELL DOUGLAS HELICOPTER CO INC
HS5445-1 73134 ROLLER BEARING COMPANY OF AMERICA, INC.
HS5445-1 8V613 THE BOEING COMPANY

What it pays — so you can quote

The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.

Latest unit price
—
Purchases
0
Total spend
—
Aug 31, 2026
Last purchased
1 · 1.0/yr
Purchase records
$3,564
Total demand
$3,564
Latest award total

Compare with other items

Purchase history

No priced purchases on record for this NSN yet.

Related contract actions

Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.

Action date Award # Recipient Agency Obligation
Aug 31, 2026 SPE4A626PAAAP ↗ AVIARMS SUPPORT CORP — $3,564

Demand history

Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.

Buying rhythm

How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.

  • Solicitation posted
  • Award made
Solicited 2 times since Aug 2026, typically every 3.1 months.Last solicitation 1 day ago.Jan 2026Apr 2026Jul 2026Oct 2026

Dot size shows quantity. A faint bar joins a solicitation to the award made against it.

Who wins this item

Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.

  • Award in the last 2 years
  • Older award
AVIARMS SUPPORT CORP
last award Aug 2026
Not listed
MCDONNELL DOUGLAS HELICOPTER CO INC
no award yet
Listed source
ROLLER BEARING COMPANY OF AMERICA, INC.
no award yet
Listed source
THE BOEING COMPANY
no award yet
Listed source

AVIARMS SUPPORT CORP won the only award on record. AVIARMS SUPPORT CORP won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE4A6-27-T-8939 Nov 6, 2026 Nov 13, 2026 4 Open View at DIBBS →
SPE4A6-26-T-11VD Aug 5, 2026 Aug 12, 2026 11 Expired View at DIBBS →

Open RFQs on DIBBS → DIBBS award history ↗

About this data

  • Unit prices: DLA DIBBS award records — every row links to its government record.
  • AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-10-27.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "BEARING,SLEEVE." nsnexplorer.com, https://nsnexplorer.com/nsn/3120-01-286-8029/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/3120-01-286-8029/