The Nut,self-Locking,internal Wrench, cataloged under National Stock Number 5310-00-208-8154, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-8154 |
| Item Name | Nut,self-Locking,internal Wrench |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS2410 ASSN STD SINGLE TREATMENT RESPONSE LOCKING INSERT |
| Thread Series | UNF |
| Material Document and Classification | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.562 INCHES NOMINAL IN |
| Width Between Flats | 0.188 INCHES NOMINAL IN |
| Locking Feature | FREE-RUNNING ALL METAL DESIGN |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CLAY OVERALL EXCEPT INSERT |
| Surface Treatment | SILVER LOCKING INSERT |
| Internal Drive Style | SOCKET |
| Nut Style | INTERNAL WRENCHING |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL EXCEPT INSERT |
| Material | STEEL COMP 321 LOCKING INSERT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SL1029 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-208-8154 is a Nut,self-Locking,internal Wrench, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-208-8154: Surface Treatment Document and Classification: AMS2410 ASSN STD SINGLE TREATMENT RESPONSE LOCKING INSERT; Thread Series: UNF; Material Document and Classification: AMS5510 ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT; Thread Direction: RIGHT-HAND. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.