The Washer,lock, cataloged under National Stock Number 5310-01-347-8262, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-347-8262 |
| Primary Part Number | 9042143-43 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE AND ASTM B633-FE/ZN 13 TY 2 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Hardness Rating | 64.0 ROCKWELL A MINIMUM AND 68.0 ROCKWELL A MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.334 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES MINIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC OVERALL |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 OVERALL |
| Hole Diameter | 0.194 INCHES MINIMUM AND 0.202 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 |
|---|---|
| 9042143-43 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| Reference | Meaning |
|---|---|
| 9042143-43 | 5/9 Secondary reference Unison Industries Llc |
NSN 5310-01-347-8262 is a Washer,lock, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-347-8262 has 1 manufacturer part number on file: 9042143-43 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
Key specifications for 9042143-43: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE AND ASTM B633-FE/ZN 13 TY 2 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Hardness Rating: 64.0 ROCKWELL A MINIMUM AND 68.0 ROCKWELL A MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.334 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.