The Washer,key, cataloged under National Stock Number 5310-00-003-4045, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-003-4045 |
| Primary Part Number | 791-8136-001 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.296 INCHES NOMINAL IN |
| External Prebent Key Length | 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.586 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | SS-303L-P FSCM 13499 MFR REF SINGLE MATERIAL RESPONSE OR SS-316 L-P FSCM 13499 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| External Prebent Key Width | 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.249 INCHES MINIMUM AND 0.251 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 |
|---|---|
| 791-8136-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5310-00-003-4045 is a Washer,key, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-003-4045 has 1 manufacturer part number on file: 791-8136-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 791-8136-001: Distance From Centerline to Inside of Prebent Key: 0.296 INCHES NOMINAL IN; External Prebent Key Length: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.586 INCHES NOMINAL IN; Style Designator: KEY. 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.