The Washer,key, cataloged under National Stock Number 5310-00-849-9309, 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 11 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 | 5310-00-849-9309 |
| Primary Part Number | 546-8182-002 |
| 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 |
| Internal Straight Key Width | 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.156 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Material Thickness | 0.0157 INCHES MINIMUM AND 0.0217 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.376 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 546-8182-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5310-00-849-9309 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 5310-00-849-9309 has 1 manufacturer part number on file: 546-8182-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 546-8182-002: Internal Straight Key Width: 0.066 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.156 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: KEY. 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.