The Washer,lock, cataloged under National Stock Number 5310-01-465-8703, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 8 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-465-8703 |
| Primary Part Number | WS-9273-55 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | MS35338 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-P-35 FED SPEC 2ND MATERIAL RESPONSE AND FF-W84 MFR REF 3RD MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Material Thickness | 0.094 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 0.377 INCHES MINIMUM AND 0.385 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 |
|---|---|
| WS-9273 PC 55 | Lake Shore Systems, Inc. (USA) |
| WS-9273-55 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 5310-01-465-8703 is a Washer,lock, manufactured by Lake Shore Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-465-8703 has 2 manufacturer part numbers on file: WS-9273 PC 55 (Lake Shore Systems, Inc.), WS-9273-55 (Lake Shore Systems, Inc.).
Key specifications for WS-9273-55: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: MS35338 MIL SPEC 1ST MATERIAL RESPONSE AND QQ-P-35 FED SPEC 2ND MATERIAL RESPONSE AND FF-W84 MFR REF 3RD MATERIAL RESPONSE OVERALL; Outside Diameter: 0.680 INCHES NOMINAL IN. 8 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.