The Washer,key, cataloged under National Stock Number 5310-00-655-5934, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-655-5934 |
| Primary Part Number | 7611980 |
| 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 |
| Internal Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.156 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 0.812 INCHES NOMINAL IN |
| Material Thickness | 0.042 INCHES NOMINAL IN |
| External Key Quantity | 11 |
| Internal Prebent Key Length | 0.062 INCHES NOMINAL IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| External Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.601 INCHES MINIMUM AND 0.616 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 |
|---|---|
| 7611980 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 7611980 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 7611980 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
NSN 5310-00-655-5934 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 5310-00-655-5934 has 1 manufacturer part number on file: 7611980 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7611980: Internal Prebent Key Width: 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.156 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 0.812 INCHES NOMINAL IN. 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.