The Washer,impeller Retaining, cataloged under National Stock Number 5310-01-154-4271, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-154-4271 |
| Item Name | Washer,impeller Retaining |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| General Characteristics Item Description | YELLOW,BRASS S-26; 1.312 IN. OUTSIDE DIA; 0.250 IN. OVERALL HEIGHT; RECESS DIA 0.906 IN.; 0.375 IN. HOLE DIA THRU; 45 DEG ANGLE PLUS/MINUS 2 DEG; 0.062 IN. DEPTH RECESSED; 0.094 IN. HIGH BEFORE THE CHAMFER 45 DEG IN |
| 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 |
|---|---|
| 9919 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-154-4271 is a Washer,impeller Retaining, classified under FSC 5310, Nuts and Washers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6625-01-168-7563, 5330-01-207-0842, 4730-01-559-8294. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-154-4271: General Characteristics Item Description: YELLOW,BRASS S-26; 1.312 IN. OUTSIDE DIA; 0.250 IN. OVERALL HEIGHT; RECESS DIA 0.906 IN.; 0.375 IN. HOLE DIA THRU; 45 DEG ANGLE PLUS/MINUS 2 DEG; 0.062 IN. DEPTH RECESSED; 0.094 IN. HIGH BEFORE THE CHAMFER 45 DEG IN. 1 specification is 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.