The Washer,lock, cataloged under National Stock Number 5310-00-013-8697, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-013-8697 |
| Primary Part Number | 99W10-01A1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Outside Diameter | 0.460 INCHES NOMINAL IN |
| Material Thickness | 0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.228 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 99W10-01A1 PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| 91560833 | Thales Sa (FRA) |
| 99W10-01A1 | Siemens Ag - Anl A44 S - (DEU) |
| Reference | Meaning |
|---|---|
| 5310PL0907506 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 54143-3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 54143-3 | 5/9 Secondary reference Drs Environmental Systems Inc |
| 54143-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-013-8697 is a Washer,lock, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-013-8697 has 3 manufacturer part numbers on file: 99W10-01A1 (Howmet Global Fastening Systems Inc Div Camloc Products), 91560833 (Thales Sa), 99W10-01A1 (Siemens Ag - Anl A44 S -).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-679-7341. Verify interchangeability with system specifications before substitution.
Key specifications for 99W10-01A1: Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.460 INCHES NOMINAL IN; Material Thickness: 0.012 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL. 6 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.