The Washer,flat, cataloged under National Stock Number 5310-01-616-7459, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Independent Rough Terrain Center Llc. Government technical data includes 6 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 | 5310-01-616-7459 |
| Primary Part Number | 005628 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Independent Rough Terrain Center Llc |
| Status | ACTIVE |
| Overall Diameter | 21.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 8.91 MILLIMETERS NOMINAL MM |
| Thickness | 2.3 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-616-7459 is a Washer,flat, manufactured by Independent Rough Terrain Center Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-7459 has 2 manufacturer part numbers on file: 1LAH (Endries International, Inc. Dba Servtonics, an Endries International, Inc.), 005628 (Independent Rough Terrain Center Llc).
Key specifications for 005628: Overall Diameter: 21.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: 3930-01-599-9978. 6 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.