- FSC
- 5310Nuts and Washers
- NIIN / country
- 011431767 · USA
- Unit / status
- EA · active
- Catalog unit price
- $20
- DEMIL
- A
- Source of supply
- SMS
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| BEARING SURFACE TYPE | FLAT |
| COUNTERBORE DIAMETER | FIRST END INCHES NOMINAL 0.340 |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| MATERIAL | OVERALL STEEL |
| NOMINAL THREAD SIZE | INCHES 0.313 |
| NUT COUNTERBORE DEPTH | FIRST END INCHES NOMINAL 0.060 |
| NUT HEIGHT | INCHES NOMINAL 0.400 |
| SURFACE TREATMENT | THREADS SILVER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S2411 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | INCHES NOMINAL 0.438 |
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
SPE4A626T26EX
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.