The Washer,flat, cataloged under National Stock Number 5310-01-109-6752, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-109-6752 |
| Primary Part Number | 11778636 |
| Item Name | Washer,flat |
| 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 Treatment Document and Classification | MIL-C-5541(B) MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/8-H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Thickness | 0.027 INCHES MINIMUM AND 0.037 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 |
NSN 5310-01-109-6752 is a Washer,flat, 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 5310-01-109-6752 has 2 manufacturer part numbers on file: 60093-111 (Bae Systems (operations) Limited), 11778636 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11778636: Surface Treatment Document and Classification: MIL-C-5541(B) MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/8-H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.