The Washer,finishing, cataloged under National Stock Number 5310-01-044-5989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-044-5989 |
| Primary Part Number | GW10E10 |
| Item Name | Washer,finishing |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Style Designator | FINISHING |
| Material Document and Classification | QQ-A-250/8,TEMPER H32 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Recess Diameter | 0.371 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Color | RED OVERALL |
| Surface Treatment | ANODIZE AND PAINT OVERALL |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Hole Diameter | 0.191 INCHES NOMINAL IN |
| Recess Angle | 100.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-044-5989 is a Washer,finishing, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-044-5989 has 2 manufacturer part numbers on file: GW10E10 (Northrop Grumman Systems Corporation), GW10E10 (Mount Lok Products Inc).
Key specifications for GW10E10: Overall Height: 0.094 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-P-23377 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Style Designator: FINISHING; Material Document and Classification: QQ-A-250/8,TEMPER H32 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.