AMSC / AMC
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FSC 5310 × NUT,SELF-LOCKING,SLOTTED,HEXAGON
NUT,SELF-LOCKING,SLOTTED,HEXAGON
5310-00-047-2391
Open for bid
3 open solicitations on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-26-T-25KC | 1 | Closes today | Bid → |
| SPE4A6-26-T-25KD | 1 | Closes today | Bid → |
| SPE4A6-26-T-25KE | 1 | Closes today | Bid → |
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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 |
|---|---|
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5725 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 800.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 28 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.266 AND INCHES MAXIMUM 0.296 |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2411 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
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 |
|---|---|---|
| 5310PL2206251 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| MS21225-4 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS21225-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS21225-4 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| Z7764-4 | 72962 | HARVARD INDUSTRIES INC |
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 — 11 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-25KC | Sep 1, 2026 | Sep 8, 2026 | 1 | Open | View at DIBBS → |
| SPE4A6-26-T-25KD | Sep 1, 2026 | Sep 8, 2026 | 1 | Open | View at DIBBS → |
| SPE4A6-26-T-25KE | Sep 1, 2026 | Sep 8, 2026 | 1 | Open | View at DIBBS → |
| SPE4A6-26-T-23EL | Aug 27, 2026 | Sep 3, 2026 | 100 | Expired | View at DIBBS → |
| SPE4A6-26-T-23EQ | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23ES | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23EW | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23EY | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23EZ | Aug 27, 2026 | Sep 3, 2026 | 20 | Expired | View at DIBBS → |
| SPE4A6-26-T-23FB | Aug 27, 2026 | Sep 3, 2026 | 10 | Expired | View at DIBBS → |
| SPE4A6-26-T-23FC | Aug 27, 2026 | Sep 3, 2026 | 10 | 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 →