The Washer,flat, cataloged under National Stock Number 5310-01-489-6206, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gasket Manufacturing Co.. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-489-6206 |
| Primary Part Number | 302-0434-010 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gasket Manufacturing Co. |
| Status | ACTIVE |
| Overall Diameter | 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-410,TYPE 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BLACK OVERALL |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thickness | 0.017 INCHES MINIMUM AND 0.023 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 |
|---|---|
| 302-0434-010 PRIMARY | Gasket Manufacturing Co. (USA) |
| 302-0434-010 PRIMARY | Apollo Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 302-0434-010 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 302-0434 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 302-0434-010 | 5/9 Secondary reference Gasket Engineering Company, Inc |
NSN 5310-01-489-6206 is a Washer,flat, manufactured by Gasket Manufacturing Co., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-489-6206 has 2 manufacturer part numbers on file: 302-0434-010 (Gasket Manufacturing Co.), 302-0434-010 (Apollo Aerospace).
Key specifications for 302-0434-010: Overall Diameter: 0.463 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN; Material Document and Classification: L-P-410,TYPE 6/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 9 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.