The Washer,flat, cataloged under National Stock Number 5310-00-641-1303, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-641-1303 |
| Primary Part Number | 05-607029 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Overall Diameter | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | CORK OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Thickness | 0.084 INCHES MINIMUM AND 0.104 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 |
|---|---|
| 24042-20 | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| 05-607029 PRIMARY | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 24042-20 | 5/9 Secondary reference Ge Aviation Systems Llc |
| 24042-20 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-641-1303 is a Washer,flat, manufactured by Ge Aviation Systems Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-641-1303 has 2 manufacturer part numbers on file: 24042-20 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec), 05-607029 (Ge Aviation Systems Llc).
Key specifications for 05-607029: Overall Diameter: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: CORK OVERALL. 7 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.