Acquisition method (AMC)
2
FSC 5310 × NUT,PLAIN,ASSEMBLED WASHER
NUT,PLAIN,ASSEMBLED WASHER
5310-01-407-4989 FSC 5310
NSN 5310-01-407-4989 (also written 5310014074989; NIIN 01-407-4989) is a nut, plain, assembled washer in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.
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 2).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 2: suitable for competitive acquisition, first 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 |
| WASHER OUTSIDE DIAMETER AAVX | INCHES MINIMUM 1.253 AND INCHES MAXIMUM 1.283 |
| COUNTERBORE DIAMETER AAWY | WASHER INCHES MINIMUM 0.905 AND INCHES MAXIMUM 0.915 |
| OVERALL HEIGHT ABKW | INCHES MINIMUM 0.911 AND INCHES MAXIMUM 0.951 |
| NUT STYLE ACTA | — |
| NUT COUNTERBORE DEPTH ADFK | WASHER INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.450 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 1.052 AND INCHES MAXIMUM 1.064 |
| THREAD SERIES BZRR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH CMLP | 16 |
| NOMINAL THREAD SIZE CQJX | INCHES 0.750 |
| MATERIAL MATT | WASHER STEEL CORROSION RESISTING |
| MATERIAL MATT | NUT STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | WASHER MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5059 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5510 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| PRECIOUS MATERIAL AND LOCATION PMLC | SILVER NUT SURFACES |
| PRECIOUS MATERIAL PRMT | SILVER |
| SURFACE TREATMENT SFTT | NUT SILVER |
| SURFACE TREATMENT SFTT | WASHER ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | NUT ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 OR FED SPEC SINGLE TREATMENT RESPONSE QQ-S-365 QQ-S-365 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | WASHER MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |
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 |
|---|---|---|
| SS5092-12CW | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK |
| SS5092-12CW | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
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
—
—
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 — 2 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 | |
|---|---|---|---|---|---|
| SPE4A5-27-T-0061 | Oct 2, 2026 | Oct 15, 2026 | 832 | Expired | View at DIBBS → |
| SPE4A5-26-T-471S | Sep 24, 2026 | Oct 1, 2026 | 832 | Cancelled | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,ASSEMBLED WASHER." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-407-4989/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-407-4989/