AMSC / AMC
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FSC 5310 × NUT,SELF-LOCKING,CASTELLATED,HEX
NUT,SELF-LOCKING,CASTELLATED,HEX
5310-00-576-7727
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.
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 |
|---|---|
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2400 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.235 AND INCHES MAXIMUM 0.250 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376 |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| THREAD QUANTITY PER INCH CMLP | 32 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| HARDNESS RATING CQFM | ROCKWELL C MINIMUM 17.0 AND ROCKWELL C MAXIMUM 26.0 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.190 |
| THREAD CLASS AAJD | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5020 |
| THREAD SERIES BZRR | UNF |
| SPECIAL FEATURES FEAT | THIS PART MEETS THE Y REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES,FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS.ACTION ID 45543532 |
| MATERIAL MATT | OVERALL STEEL COMP 11L37 |
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 |
|---|---|---|
| 261702 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
| 791718 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY |
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-11QT | Aug 5, 2026 | Aug 12, 2026 | 1,769 | 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 →