Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-00-297-8380 FSC 5310
NSN 5310-00-297-8380 (also written 5310002978380; NIIN 00-297-8380) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 11 manufacturer part numbers from 11 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 |
|---|---|
| BEARING SURFACE TYPE CRTM | CHAMFERED |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.553 AND INCHES MAXIMUM 0.564 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.375 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S2410 |
| THREAD QUANTITY PER INCH CMLP | 24 |
| COUNTERSINK ANGLE CRSQ | NUT DEGREES NOMINAL 88.0 |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.421 AND INCHES MAXIMUM 0.469 |
| BEARING SURFACE FINISH CSXL | MICROINCHES 125.0 |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE ALL METAL DESIGN |
| NUT STYLE ACTA | — |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| TEMP RATING AZKQ | FAHRENHEIT NOMINAL 1200.0 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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 |
|---|---|---|
| 1624 | 71092 | BRIGHT STAR INDUSTRIES INC |
| 23059006 ITEM 11 | 63005 | ROLLS-ROYCE CORPORATION |
| 53102978380 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES |
| 53102978380 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE |
| 99F12-624 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| H19475-6 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| H19475-6 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS |
| H19475-6 | B1395 | TECHNICAL AIRBORNE COMPONENTS INDUSTRIES |
| H19475-6 | F6033 | TECNOTEC SARL |
| H19475-6 | R1120 | SATAIR A/S |
| MS20500-624 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$1.95
Purchases
1
Total spend
$2,120
Sep 14, 2026
Last purchased
2 · 2.0/yr
Purchase records
$4,239
Total demand
$1.95
Latest unit price
Purchase history
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 14, 2026 | SPE4A626P0T43 ↗ | — | — | $2,120 |
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.
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
CAGE L10K9
last award Sep 2026
BRIGHT STAR INDUSTRIES INC
no award yet
no awards on record
Listed source E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
no award yet
no awards on record
Listed source E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS
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 ROLLS-ROYCE CORPORATION
no award yet
no awards on record
Listed source CAGE L10K9 won the only award on record. CAGE L10K9 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-22JQ | Aug 26, 2026 | Sep 2, 2026 | 1,087 | 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: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-297-8380/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-297-8380/