Acquisition method (AMC)
1
FSC 5310 × NUT,PLAIN,SINGLE BALL SEAT,HEXAG
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
5310-01-388-4204 FSC 5310
NSN 5310-01-388-4204 (also written 5310013884204; NIIN 01-388-4204) is a nut, plain, single ball seat, hexag in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 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 CLASS AAJD | 2B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| NUT STYLE ACTA | — |
| BALL SEAT RADIUS ACTC | INCHES NOMINAL 0.875 |
| NUT HEIGHT ADEA | INCHES NOMINAL 0.875 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 1.475 AND INCHES MAXIMUM 1.505 |
| THREAD SERIES BZRR | UN |
| FEATURES PROVIDED CBBL | CASE-HARDENED |
| THREAD QUANTITY PER INCH CMLP | 16 |
| HARDNESS RATING CQFM | ROCKWELL N MAXIMUM 80.5 |
| NOMINAL THREAD SIZE CQJX | INCHES 1.125 |
| SPECIAL FEATURES FEAT | VARIABLE PRICING ITEM; UNIT OF ISSUE PACKAGE EQUAL 100 EA; TO ORDER UNIT OF ISSUE EACH, USE NSN 5310008802005 |
| MATERIAL MATT | OVERALL STEEL COMP 4135 OR STEEL COMP 4140 OR STEEL COMP 4427 OR STEEL COMP 5135 OR STEEL COMP 5140 OR STEEL COMP 8637 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD ALL MATERIAL RESPONSES AST- A547 OR FED STD 4TH MATERIAL RESPONSE 66 OR FED STD 5TH MATERIAL RESPONSE 66 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416, TY 2, CL 2 QQ--416 |
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 |
|---|---|---|
| AS52427-R-1.125 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS51983-4 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| VARIABLE PRICING | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA |
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
$544.88
Purchases
1
Total spend
$11,442
Sep 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$22,885
Total demand
$544.88
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 16, 2026 | 21 | $544.88 | $11,442 | ALAMO AIRCRAFT, LTD. (55345) | Unknown | Source ↗ |
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 16, 2026 | SPE4A626P0W07 ↗ | ALAMO AIRCRAFT, LTD. | — | $11,442 |
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
ALAMO AIRCRAFT, LTD.
last award Sep 2026
DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
no award yet
no awards on record
Listed source FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
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 ALAMO AIRCRAFT, LTD. won the only award on record. ALAMO AIRCRAFT, LTD. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-16UX | Aug 14, 2026 | Aug 21, 2026 | 21 | 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: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,SINGLE BALL SEAT,HEXAG." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-388-4204/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-388-4204/