The Washer,key, cataloged under National Stock Number 5310-00-616-1441, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-616-1441 |
| Primary Part Number | 121P10084-1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Internal Straight Key Width | 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.4355 INCHES MINIMUM AND 0.4455 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-250/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Material Thickness | 0.061 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.005 INCHES MINIMUM AND 1.025 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 |
|---|---|
| 117P10108-1 | Northrop Grumman Systems Corporation (USA) |
| 121P10084-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5310-00-616-1441 is a Washer,key, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-616-1441 has 2 manufacturer part numbers on file: 117P10108-1 (Northrop Grumman Systems Corporation), 121P10084-1 (Northrop Grumman Systems Corporation).
Key specifications for 121P10084-1: Internal Straight Key Width: 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.4355 INCHES MINIMUM AND 0.4455 INCHES MAXIMUM IN; Style Designator: KEY; Material Document and Classification: QQ-A-250/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.