Acquisition method (AMC)
1
FSC 5310 × NUT,SELF-LOCKING,CAP
NUT,SELF-LOCKING,CAP
5310-00-488-8566 FSC 5310
NSN 5310-00-488-8566 (also written 5310004888566; NIIN 00-488-8566) is a nut, self-locking, cap in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 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-5148 | 207 | Closes in 7d | 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.
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 SERIES BZRR | UNF |
| SURFACE TREATMENT SFTT | NUT CADMIUM |
| BEARING SURFACE TYPE CRTM | WASHER FACED |
| THREAD CLASS AAJD | 3B |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| LOCKING FEATURE AAUM | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| NUT STYLE ACTA | — |
| NUT HEIGHT ADEA | INCHES MINIMUM 0.347 AND INCHES MAXIMUM 0.387 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.250 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| MATERIAL MATT | LOCKING INSERT FIBER |
| MATERIAL MATT | OVERALL EXCEPT INSERT STEEL |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.502 |
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 |
|---|---|---|
| 22K2-048 | 019L2 | ESNA, LLC |
| 22K2-048 | 72962 | HARVARD INDUSTRIES INC |
| 22K2-428 | 27687 | GREER STOP NUT, INC. |
| 5310PL0842010 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX |
| 90-003-40 | 97499 | BELL TEXTRON INC |
| M1497-078811 | A196N | FORSVARETS MATERIELVERK |
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
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Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
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.
No related contract actions on record.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-5148 | Oct 20, 2026 | Oct 27, 2026 | 207 | 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 20, 2026.
- Contract action totals: USAspending, context only.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,SELF-LOCKING,CAP." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-00-488-8566/. Data as of October 20, 2026.
Link
https://nsnexplorer.com/nsn/5310-00-488-8566/