- FSC
- 5310Nuts and Washers
- NIIN / country
- 005794708 · International
- Unit / status
- EA · active
- Catalog unit price
- $64
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| BEARING SURFACE TYPE | WASHER FACED |
| HARDNESS RATING | ROCKWELL C MINIMUM 30.0 AND ROCKWELL C MAXIMUM 34.0 |
| MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| NOMINAL THREAD SIZE | INCHES 3.438 |
| NUT HEIGHT | INCHES MINIMUM 0.984 AND INCHES MAXIMUM 1.016 |
| SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 2 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNS |
| WIDTH ACROSS FLATS | INCHES MINIMUM 3.984 AND INCHES MAXIMUM 4.016 |
Manufacturers that have won this work
DIBBS award history plus USASpending rows whose CAGE matches SAM registration. CAGE codes open the DLA vendor lookup. Names without a CAGE match are shown as unverified.
Recent award / quote activity
Open buys for this NSN
SPE4A626T25KL
DIBBS · quotes by Sep 8, 2026 · UNRESTRICTED
SPE4A626T26GM
DIBBS · quotes by Sep 10, 2026 · UNRESTRICTED
Quote history
Recorded quotes from nsn_quote_history when present (vendor references / quote tracker). Interchangeable-parts tables are not in this career schema — skipped.
No quote history rows for this NSN.
Listed manufacturers
MCRL rows for this NSN — companies that make or supply the part.