Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,CASTELLATED,HEXAGON
NUT,PLAIN,CASTELLATED,HEXAGON
5310-00-543-2122 FSC 5310
NSN 5310-00-543-2122 (also written 5310005432122; NIIN 00-543-2122) is a nut, plain, castellated, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 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 QUANTITY PER INCH CMLP | 20 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE A4 |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NUT STYLE ACTA | — |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 QQ--416 |
| DEPARTURE FROM CITED DESIGNATOR ZZZX | AS MODIFIED BY COARSE THD |
| THREAD SERIES BZRR | UNIFIED NATIONAL COARSE (UNC) |
| MATERIAL MATT | OVERALL STEEL |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.275 AND INCHES MAXIMUM 0.288 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.437 |
| THREAD CLASS AAJD | 2B |
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 |
|---|---|---|
| FF-B-575 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| FFB571TYPEA4 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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
—
Oct 29, 2026
Last purchased
1 · 1.0/yr
Purchase records
$360.22
Total demand
$360.22
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 |
|---|---|---|---|---|
| Oct 29, 2026 | SPE4A627P4187 ↗ | FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC | — | $360.22 |
Demand history
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
FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC
last award Oct 2026
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC won the only award on record. FABRICATION SPECIALTY INC DBA FABRICATION SPECIALTY INC won without being a listed source.
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 Nov 1, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,CASTELLATED,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-543-2122/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-543-2122/