The Washer,flat, cataloged under National Stock Number 5310-01-649-2555, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Generac Mobile Products, Llc. Government technical data includes 8 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 | 5310-01-649-2555 |
| Primary Part Number | 62112 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Generac Mobile Products, Llc |
| Status | ACTIVE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Hardness Rating | 65.0 ROCKWELL B MINIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1010 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.630 INCHES NOMINAL IN |
| Thickness | 0.014 INCHES MINIMUM AND 0.016 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 5310-01-649-2555 is a Washer,flat, manufactured by Generac Mobile Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-649-2555 has 2 manufacturer part numbers on file: 3088A363 (Mcmaster-Carr Supply Co), 62112 (Generac Mobile Products, Llc).
Key specifications for 62112: Overall Diameter: 1.000 INCHES NOMINAL IN; Hardness Rating: 65.0 ROCKWELL B MINIMUM; 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.