AMSC / AMC
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FSC 5310 × NUT,SELF-LOCKING,PLATE
NUT,SELF-LOCKING,PLATE
5310-01-233-8679
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
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 0.254 |
| LUBRICATION ABAJ | DRY FILM LUBRICANT |
| MOUNTING HOLE DIAMETER ABTB | INCHES NOMINAL 0.098 |
| NUT STYLE ACTA | — |
| NUT LENGTH ACVN | INCHES MAXIMUM 1.038 |
| NUT HEIGHT ADEA | INCHES MAXIMUM 0.327 |
| PLATE THICKNESS ADEB | INCHES MAXIMUM 0.030 |
| NUT COUNTERBORE DEPTH ADFK | BASE INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.140 |
| 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 |
| 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 | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
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 |
|---|---|---|
| F50863-4-2 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| LE114-0105-0402 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M |
| NS103625-048-2E | 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
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Purchases
0
Total spend
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Last purchased
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Purchase records
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Total demand
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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-T-13GY | Aug 6, 2026 | Aug 13, 2026 | 355 | 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.
- Contract action totals: USAspending, context only.
- Full methodology →