The Washer,lock, cataloged under National Stock Number 5310-01-164-8955, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-164-8955 |
| Primary Part Number | L5331929-003 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Material Thickness | 0.290 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.377 INCHES NOMINAL 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 |
|---|---|
| L5331929-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| L53319129-003 | Maney Aircraft, Inc. Dba Maney Aircraft (USA) |
| L5331929-003 | Kit Pack Co., Inc. (USA) |
NSN 5310-01-164-8955 is a Washer,lock, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-164-8955 has 3 manufacturer part numbers on file: L5331929-003 (The Boeing Company Div Legacy Am&m), L53319129-003 (Maney Aircraft, Inc. Dba Maney Aircraft), L5331929-003 (Kit Pack Co., Inc.).
Key specifications for L5331929-003: Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.500 INCHES NOMINAL IN; Material Thickness: 0.290 INCHES NOMINAL IN; Special Features: OD SERRATED,0.062 IN. W,0.040 IN. DP IN. 5 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.