The Washer,flat, cataloged under National Stock Number 5310-00-262-4823, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Federal Mogul Corp Sub Wagner Brake Moog Automotive Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-4823 |
| Primary Part Number | F6434 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| Status | ACTIVE |
| Overall Diameter | 1.996 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | COPPER OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Thickness | 0.225 INCHES MINIMUM AND 0.230 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 |
|---|---|
| FC6434 | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 6CFC6434 | Fwd Seagrave Holdings Lp (USA) |
| F6434 PRIMARY | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| Reference | Meaning |
|---|---|
| F6434C | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| FC6434C | 5/9 Secondary reference Federal Mogul Corp Sub Wagner Brake Moog Automotive Div |
| SD2908 | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
NSN 5310-00-262-4823 is a Washer,flat, manufactured by Federal Mogul Corp Sub Wagner Brake Moog Automotive Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-262-4823 has 3 manufacturer part numbers on file: FC6434 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), 6CFC6434 (Fwd Seagrave Holdings Lp), F6434 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-253-3301. Verify interchangeability with system specifications before substitution.
Key specifications for F6434: Overall Diameter: 1.996 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: COPPER OVERALL; 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.