The Washer,retainer,arm, cataloged under National Stock Number 5310-01-008-9558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-008-9558 |
| Primary Part Number | 315951 |
| Item Name | Washer,retainer,arm |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM SHEET 2024-T3 BARE,0.063 PORM 0.003 STOCK THICKNESS,HARD ANODIZE FINISH 00015 MIN 0.0025 MAX THICKNESS,2870 OD,1.925 ID,FOUR NOTCHES LOCATED ON INNER PERIPHERY,DESIGNEDFOR 33 AND 40 HP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-008-9558 is a Washer,retainer,arm, manufactured by Brp Us Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-008-9558 has 2 manufacturer part numbers on file: 315951 (E. P. Barrus Limited Div Special Products), 315951 (Brp Us Inc).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-106-4470. Verify interchangeability with system specifications before substitution.
Key specifications for 315951: General Characteristics Item Description: ALUMINUM SHEET 2024-T3 BARE,0.063 PORM 0.003 STOCK THICKNESS,HARD ANODIZE FINISH 00015 MIN 0.0025 MAX THICKNESS,2870 OD,1.925 ID,FOUR NOTCHES LOCATED ON INNER PERIPHERY,DESIGNEDFOR 33 AND 40 HP. 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.