Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,SLOTTED,HEXAGON
NUT,SELF-LOCKING,SLOTTED,HEXAGON
5310-00-537-3920 FSC 5310
NSN 5310-00-537-3920 (also written 5310005373920; NIIN 00-537-3920) is a nut, self-locking, slotted, hexagon in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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.
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 2411 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| THREAD QUANTITY PER INCH CMLP | 24 |
| 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 5725 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NOMINAL THREAD SIZE CQJX | INCHES 0.312 |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| NUT STYLE ACTA | — |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 800.0 |
| THREAD CLASS AAJD | 3B |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.313 AND INCHES MAXIMUM 0.343 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| 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 |
|---|---|---|
| 10121469 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 5310PL2054343 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| MS21225-5 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS21225-5 | A0126 | LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE |
| Z7764-5 | 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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
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 | |
|---|---|---|---|---|---|
| SPE4A6-27-T-5467 | Oct 21, 2026 | Nov 2, 2026 | 92 | 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 23, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,SLOTTED,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-537-3920/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-537-3920/