Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,HEXAGON
NUT,SELF-LOCKING,HEXAGON
5310-01-552-4574 FSC 5310
NSN 5310-01-552-4574 (also written 5310015524574; NIIN 01-552-4574) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-3131 | 1,782 | Closes in 1d | Bid → |
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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.
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 | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD SERIES BZRR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH CMLP | 11 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.625 |
| MATERIAL MATT | NUT STEEL |
| SURFACE TREATMENT SFTT | NUT ZINC |
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 |
|---|---|---|
| 13230E6382-14 | 97403 | CECOM LR CENTER |
| D51N7582-1011 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| F51N7582-1011 | 27687 | GREER STOP NUT, 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
$4.80
Purchases
1
Total spend
$8,554
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$17,107
Total demand
$4.80
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 1,782 | $4.80 | $8,554 | APOLLO AEROSPACE COMPONENTS LLC (00360) | 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 |
|---|---|---|---|---|
| Oct 16, 2026 | SPE4A627V0736 ↗ | APOLLO AEROSPACE COMPONENTS LLC | — | $8,554 |
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
APOLLO AEROSPACE COMPONENTS LLC
last award Oct 2026
CECOM LR CENTER
no award yet
no awards on record
Listed source GREER STOP NUT, INC.
no award yet
no awards on record
Listed source SPS TECHNOLOGIES, LLC DBA PB FASTENERS
no award yet
no awards on record
Listed source APOLLO AEROSPACE COMPONENTS LLC won the only award on record. APOLLO AEROSPACE COMPONENTS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-3131 | Oct 13, 2026 | Oct 20, 2026 | 1,782 | Open | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,HEXAGON." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-552-4574/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-552-4574/