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FSC 5310 × NUT,SELF-LOCKING,PLATE

NUT,SELF-LOCKING,PLATE

5310-01-329-3841 FSC 5310

NSN 5310-01-329-3841 (also written 5310013293841; NIIN 01-329-3841) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 7 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-8696 322 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)
R
Competition
Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 FACE VIEW ⌀0.25-28 3B THREAD · ⌀0.254–0.274 C'BORE 2× ⌀0.098–0.103 0.998–1.002 C-C 1.272–1.292 LG 0.554 W FRONT VIEW 0.512–0.532 NUT H 5310-01-329-3841 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE NUT,SELF-LOCKING,PLATE · CLIP STEEL CORROSION RESISTING · THREAD 0.25-28 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 FIRST END INCHES MINIMUM 0.254 AND INCHES MAXIMUM 0.274
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 MINIMUM 1.272 AND INCHES MAXIMUM 1.292
NUT HEIGHT ADEA INCHES MINIMUM 0.512 AND INCHES MAXIMUM 0.532
PLATE THICKNESS ADEB INCHES MINIMUM 0.028 AND INCHES MAXIMUM 0.036
PLATE WIDTH ADEC INCHES MAXIMUM 0.554
NUT COUNTERBORE DEPTH ADFK FIRST END INCHES MINIMUM 0.313 AND INCHES MAXIMUM 0.333
NUT MOUNTING PROVISION ADFP STRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE ADFU —
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER ADFW INCHES MINIMUM 0.495 AND INCHES MAXIMUM 0.505
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH ADFY INCHES MINIMUM 0.998 AND INCHES MAXIMUM 1.002
TEMP RATING AZKQ FAHRENHEIT NOMINAL 450.0
THREAD SERIES BZRR UNIFIED NATIONAL JOINT FINE (UNJF)
FEATURES PROVIDED CBBL FLOATING NUT
THREAD QUANTITY PER INCH CMLP 28
NOMINAL THREAD SIZE CQJX INCHES 0.250
MATERIAL MATT CLIP STEEL CORROSION RESISTING
MATERIAL MATT SHELL IRON ALLOY 660
MATERIAL MATT NUT IRON ALLOY 660
MATERIAL DOCUMENT AND CLASSIFICATION MDCL NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5735
MATERIAL DOCUMENT AND CLASSIFICATION MDCL SHELL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5735
SURFACE TREATMENT SFTT NUT PASSIVATE
SURFACE TREATMENT SFTT SHELL PASSIVATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC SHELL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35

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
03A120-4A5 76823 NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS
BFN120-4-5 27238 BRISTOL INDUSTRIES, LLC
F13742-5-4 019L2 ESNA, LLC
F13742-5-4 72962 HARVARD INDUSTRIES INC
F52891-4-5 15653 HOWMET GLOBAL FASTENING SYSTEMS INC
NRF260C4M-5 52828 REPUBLIC FASTENER MFG. CORP. DBA ARCONIC FASTENING SYSTEMS
NS202749-4-5 80539 SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA

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
$10.05
Purchases
1
Total spend
$492.45
Oct 29, 2026
Last purchased
2 · 2.0/yr
Purchase records
$984.90
Total demand
$10.05
Latest unit price

Compare with other items

Purchase history

1 purchase on record
Awarded Qty Unit price Total Supplier Agency Source
Oct 29, 2026 49 $10.05 $492.45 Unknown (6E4Y3) Unknown Source ↗

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
Oct 29, 2026 SPE4A627V1496 ↗ — — $492.45

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 Oct 2026, typically every 3.4 weeks.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
CAGE 6E4Y3
last award Oct 2026
Not listed
BRISTOL INDUSTRIES, LLC
no award yet
Listed source
ESNA, LLC
no award yet
Listed source
HARVARD INDUSTRIES INC
no award yet
Listed source
HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
Listed source
NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS
no award yet
Listed source
REPUBLIC FASTENER MFG. CORP. DBA ARCONIC FASTENING SYSTEMS
no award yet
Listed source
SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA
no award yet
Listed source

CAGE 6E4Y3 won the only award on record. CAGE 6E4Y3 won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE4A6-27-T-8696 Nov 6, 2026 Nov 13, 2026 322 Open View at DIBBS →
SPE4A6-27-T-2410 Oct 13, 2026 Oct 20, 2026 49 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 13, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-11-01.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "NUT,SELF-LOCKING,PLATE." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-329-3841/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/5310-01-329-3841/