The Washer,lock, cataloged under National Stock Number 5310-01-397-3396, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saginaw Products Corporation Dba Cignys. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-397-3396 |
| Primary Part Number | GG1/2LM |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-81562, TYPE 2 CLASS 6 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Material Document and Classification | ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.869 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1069 OR STEEL COMP 1070 OVERALL |
| Hole Diameter | 0.502 INCHES MINIMUM AND 0.512 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 |
|---|---|
| GG1/2LM PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
NSN 5310-01-397-3396 is a Washer,lock, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-397-3396 has 1 manufacturer part number on file: GG1/2LM (Saginaw Products Corporation Dba Cignys).
Key specifications for GG1/2LM: Surface Treatment Document and Classification: MIL-C-81562, TYPE 2 CLASS 6 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: ASTM A29 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.