The Washer,lock, cataloged under National Stock Number 5310-01-497-0249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-497-0249 |
| Primary Part Number | W211NAA0008NN128NNPF1 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | SAEJ403,COM+1055,G10550 ASSN STD 1ST MATERIAL RESPONSE OR SAEJ403,COM+1060,G10600 ASSN STD 2ND MATERIAL RESPONSE OR SAEJ403,COM+1070,G10700 ASSN STD 3RD MATERIAL RESPONSE OR SAEJ403,COM+1080,G10800 ASSN STD 4TH MATERIAL RESPONSE OR SAEJ403,COM+1084,G10840 ASSN STD 5TH MATERIAL RESPONSE OR J403,COM+1085,G10850 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.172 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Material | STEEL COMP 1055 OR STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OVERALL |
| Hole Diameter | 0.088 INCHES MINIMUM AND 0.094 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 |
|---|---|
| W211NAA0008NN128NNPF1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5310-01-497-0249 is a Washer,lock, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-497-0249 has 1 manufacturer part number on file: W211NAA0008NN128NNPF1 (The American Society of Mechanical Engineers).
Key specifications for W211NAA0008NN128NNPF1: Surface Treatment Document and Classification: QQ-P-416,TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: SAEJ403,COM+1055,G10550 ASSN STD 1ST MATERIAL RESPONSE OR SAEJ403,COM+1060,G10600 ASSN STD 2ND MATERIAL RESPONSE OR SAEJ403,COM+1070,G10700 ASSN STD 3RD MATERIAL RESPONSE OR SAEJ403,COM+1080,G10800 ASSN STD 4TH MATERIAL RESPONSE OR SAEJ403,COM+1084,G10840 ASSN STD 5TH MATERIAL RESPONSE OR J403,COM+1085,G10850 ASSN STD 6TH MATERIAL RESPONSE OVERALL; Outside Diameter: 0.172 INCHES MAXIMUM 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.