The Washer,key, cataloged under National Stock Number 5310-00-075-3709, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-075-3709 |
| Primary Part Number | 123AMM11624-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Wire Hole Diameter | 0.023 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-8585 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.244 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Distance From Key Center to Wire Hole Center | 0.125 INCHES NOMINAL IN |
| Style Designator | INTERNAL PREBENT KEY |
| Material Document and Classification | QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE AND ZINC OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 1.015 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 |
|---|---|
| 123AMM11624-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123AMM11624-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123AM11624-1 | 5/9 Secondary reference Bruhwer Machine Inc |
NSN 5310-00-075-3709 is a Washer,key, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-075-3709 has 1 manufacturer part number on file: 123AMM11624-1 (Northrop Grumman Systems Corporation).
Key specifications for 123AMM11624-1: Wire Hole Diameter: 0.023 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-8585 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.244 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN; Distance From Key Center to Wire Hole Center: 0.125 INCHES NOMINAL IN. 10 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.