NSN Explorer

FSC 5310 × NUT,SELF-LOCKING,PLATE

NUT,SELF-LOCKING,PLATE

5310-01-270-1250

Open for bid

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

Solicitation Qty Status
SPE4A6-26-U-3539 189 Closes in 6d Bid →

Can you win it?

Restricted — approved sources only, based on the latest AMSC/AMC on record.

AMSC / AMC
—
Competition
—

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 FACE VIEW ⌀0.19-32 3B THREAD · ⌀0.194 C'BORE 2× ⌀0.098–0.103 0.498–0.502 C-C 0.729 LG 0.416 W FRONT VIEW 0.375 NUT H 5310-01-270-1250 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE NUT,SELF-LOCKING,PLATE · NUT STEEL COMP 4130 OR STEEL COMP 4140… · THREAD 0.19-32 3B

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
THREAD CLASS AAJD 3B
THREAD DIRECTION AAJF RIGHT-HAND
LOCKING FEATURE AAUM PREVAILING TORQUE ALL METAL DESIGN
COUNTERBORE DIAMETER AAWY BASE INCHES MINIMUM 0.194
LUBRICATION ABAJ DRY FILM LUBRICANT
MOUNTING HOLE DIAMETER ABTB INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103
NUT STYLE ACTA —
NUT LENGTH ACVN INCHES MAXIMUM 0.729
NUT HEIGHT ADEA INCHES MAXIMUM 0.375
PLATE THICKNESS ADEB INCHES MAXIMUM 0.125
PLATE WIDTH ADEC INCHES MAXIMUM 0.416
NUT COUNTERBORE DEPTH ADFK BASE INCHES MINIMUM 0.188 AND INCHES MAXIMUM 0.198
NUT MOUNTING PROVISION ADFP STRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE ADFU —
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW INCHES MINIMUM 0.245 AND INCHES MAXIMUM 0.255
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY INCHES MINIMUM 0.498 AND INCHES MAXIMUM 0.502
TEMP RATING AZKQ FAHRENHEIT MAXIMUM 450.0
THREAD SERIES BZRR UNIFIED NATIONAL JOINT FINE (UNJF)
FEATURES PROVIDED CBBL FLOATING NUT
THREAD QUANTITY PER INCH CMLP 32
NOMINAL THREAD SIZE CQJX INCHES 0.190
SPECIAL FEATURES FEAT COLOR RED
MATERIAL MATT NUT STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740
MATERIAL MATT SHELL STEEL COMP 1050 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
MATERIAL DOCUMENT AND CLASSIFICATION MDCL SHELL MIL SPEC ALL MATERIAL RESPONSES -IL-S-5059
MATERIAL DOCUMENT AND CLASSIFICATION MDCL NUT ASSN STD 1ST MATERIAL RESPONSE A-S 6350 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049
SURFACE TREATMENT SFTT SHELL CADMIUM AND CHROMATE AND PASSIVATE
SURFACE TREATMENT SFTT NUT CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC SHELL FED SPEC 1ST TREATMENT RESPONSE QQ--416,TY 2,CL 2 OR FED SPEC 2ND TREATMENT RESPONSE QQ--35 QQ--416
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 2 QQ--416

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
C9744-3-3 81755 LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY
FBL10015-3-3 29372 HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS

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
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total

Price history

What the government paid per unit

Fewer than two priced purchases on record — see the table below.

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.

No related contract actions on record.

Demand history

Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.

Solicitation Issued Closes / closed Qty Status
SPE4A6-26-U-3539 Sep 3, 2026 Sep 17, 2026 189 Open 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.
  • Contract action totals: USAspending, context only.
  • Full methodology →