Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,SLOTTED,HEXAGON
NUT,SELF-LOCKING,SLOTTED,HEXAGON
5310-00-047-2391 FSC 5310
NSN 5310-00-047-2391 (also written 5310000472391; NIIN 00-047-2391) 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. It was last purchased in Sep 2026.
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 |
|---|---|
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD CLASS AAJD | 3B |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.266 AND INCHES MAXIMUM 0.296 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| 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 |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| 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 |
| SURFACE TREATMENT SFTT | OVERALL SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2411 |
| NUT STYLE ACTA | — |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
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
—
Purchases
0
Total spend
—
Sep 17, 2026
Last purchased
1 · 1.0/yr
Purchase records
$250.00
Total demand
$250.00
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Sep 17, 2026 | SPE4A526V2087 ↗ | ADEPT FASTENERS INC | — | $250.00 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 12 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
ADEPT FASTENERS INC
last award Sep 2026
HARVARD INDUSTRIES INC
no award yet
no awards on record
Listed source JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX
no award yet
no awards on record
Listed source LEONARDO SPA HELICOPTERS DIVISION - PRODUCTION SITE
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
no award yet
no awards on record
Listed source ADEPT FASTENERS INC won the only award on record. ADEPT FASTENERS INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-36GW | Sep 25, 2026 | Oct 2, 2026 | 2,256 | Expired | View at DIBBS → |
| SPE4A6-26-T-25KC | Sep 1, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE4A6-26-T-25KD | Sep 1, 2026 | Sep 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE4A6-26-T-25KE | Sep 1, 2026 | Sep 8, 2026 | 1 | Expired | 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 as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-09-27.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,SLOTTED,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-047-2391/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-047-2391/