The Washer,key, cataloged under National Stock Number 5310-00-903-1244, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-903-1244 |
| Primary Part Number | 11700546 |
| 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 Straight Key Width | 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.130 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.390 INCHES MINIMUM AND 0.400 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 |
|---|---|
| 11700546 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 11700546 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-00-903-1244 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 5310-00-903-1244 has 1 manufacturer part number on file: 11700546 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11700546: Internal Straight Key Width: 0.080 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.130 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN. 9 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.