The Washer,lock, cataloged under National Stock Number 5310-01-665-7140, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-665-7140 |
| Primary Part Number | J2655LHR0190G5G |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B695,CLASS 55 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | SAE J2655,G10500 OR G10650 CARBON STEEL NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.334 INCHES MAXIMUM IN |
| Material Thickness | 0.047 INCHES MINIMUM IN |
| Specification/standard Data | 81343-SAE J2655 NATIONAL STD/SPEC |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 0.240 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 |
|---|---|
| J2655LHR0190G5G PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J2655LHR0190G5G | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-665-7140 is a Washer,lock, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-665-7140 has 1 manufacturer part number on file: J2655LHR0190G5G (Sae International Dba Sae International).
Key specifications for J2655LHR0190G5G: Surface Treatment Document and Classification: ASTM B695,CLASS 55 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: SAE J2655,G10500 OR G10650 CARBON STEEL NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.334 INCHES MAXIMUM IN. 9 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.