AMSC / AMC
—
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-00-298-2747
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
—
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 |
|---|---|
| THREAD CLASS AAJD | 3B |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.280 AND INCHES MAXIMUM 0.328 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 1200.0 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER ALL SURFACES |
| PRECIOUS MATERIAL PRMT | SILVER |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| NUT STYLE ACTA | — |
| BEARING SURFACE TYPE CRTM | CHAMFERED |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| BEARING SURFACE FINISH CSXL | MICROINCHES 125.0 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 88.0 |
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 |
|---|---|---|
| 121T956 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |
| 121T956 | 79500 | WESTINGHOUSE ELECTRIC CORP |
| 1802-048 NUT | 72962 | HARVARD INDUSTRIES INC |
| 3M135-4 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| 51392-428 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 525-580-9003 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 525-580-9003 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| 5310002982747 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES |
| 5310002982747 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
| 6748886-428 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| H19475-4 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H19475-4 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS |
| H19475-4 | F6033 | TECNOTEC SARL |
| H19475-4 | F7652 | KLX AEROSPACE SOLUTIONS II SAS |
| H19475-4 | R1120 | SATAIR A/S |
| JL2C428 | 11815 | SPS TECHNOLOGIES, LLC DBA CHERRY AEROSPACE DIV DIV CHERRY AEROSPACE |
| JL2C428 | 71087 | REPUBLIC FASTENER MFG. CORP. USE CAGE CODE 52828 FOR CATALOGING. |
| MS20500-428 | 51792 | APOLLO AEROSPACE |
| MS20500-428 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS20500-428 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| MS20500-428 | A0311 | TECNO TRADE S.R.L. |
| MS20500-428S | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| ZNW1200-480 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| ZZ1803-048 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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-T-11QB | Aug 5, 2026 | Aug 12, 2026 | 174 | 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 →