The Washer,flat, cataloged under National Stock Number 5310-00-149-9726, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Celtech Corporation Div Use CAGE 65552 for All Orders. Government technical data includes 8 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 | 5310-00-149-9726 |
| Primary Part Number | 64-7-500-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Celtech Corporation Div Use CAGE 65552 for All Orders |
| Status | ACTIVE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Hardness Rating | 50.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | RUBBER SYNTHETIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.750 INCHES NOMINAL IN |
| Thickness | 0.375 INCHES NOMINAL 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 |
|---|---|
| 64-7-500-5 PRIMARY | Celtech Corporation Div Use CAGE 65552 for All Orders (USA) |
NSN 5310-00-149-9726 is a Washer,flat, manufactured by Celtech Corporation Div Use CAGE 65552 for All Orders, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-149-9726 has 1 manufacturer part number on file: 64-7-500-5 (Celtech Corporation Div Use CAGE 65552 for All Orders).
Key specifications for 64-7-500-5: Overall Diameter: 3.000 INCHES NOMINAL IN; Hardness Rating: 50.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.