The Washer,key, cataloged under National Stock Number 5310-00-177-1302, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 13 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 | 5310-00-177-1302 |
| Primary Part Number | 8626389 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Finish | 63.0 MICROINCHES TOP |
| Surface Treatment Document and Classification | 171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Inside of Prebent Key | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.024 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.384 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OR STEEL COMP 303 OVERALL |
| Hole Diameter | 0.188 INCHES MINIMUM AND 0.190 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 |
|---|---|
| 8626389 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5310-00-177-1302 is a Washer,key, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-177-1302 has 1 manufacturer part number on file: 8626389 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8626389: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Surface Finish: 63.0 MICROINCHES TOP; Surface Treatment Document and Classification: 171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Inside of Prebent Key: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. 13 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.