The Washer, cataloged under National Stock Number 5310-00-441-8558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Safran Power Usa Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-441-8558 |
| Primary Part Number | 633-19 |
| Item Name | Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Safran Power Usa Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 633-19 PRIMARY | Safran Power Usa Llc (USA) |
| 638-19 | Safran Power Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 638-19 | 5/9 Secondary reference Lucas Aerospace Power Equipment Corporation |
| 633-19 | 3/9 Design control — primary reference Lucas Aerospace Power Equipment Corporation |
NSN 5310-00-441-8558 is a Washer, manufactured by Safran Power Usa Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-441-8558 has 2 manufacturer part numbers on file: 633-19 (Safran Power Usa Llc), 638-19 (Safran Power Usa Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-200-2551, 4140-01-460-3723. Verify interchangeability with system specifications before substitution.
Key specifications for 633-19: End Item Identification: COMMON AIRCRAFT ELECTRICAL POWER SUPPLY COMPONENTS. 0 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.