The Washer,flat, cataloged under National Stock Number 5310-00-485-6992, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-485-6992 |
| Primary Part Number | 8657A67 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Hole Width Across Flats | 0.505 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Center Hole Shape Style | HEXAGON |
| Thickness | 0.120 INCHES NOMINAL 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 |
|---|---|
| 8657A67 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8657A67 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5310-00-485-6992 is a Washer,flat, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-485-6992 has 1 manufacturer part number on file: 8657A67 (Goodrich Corporation).
Key specifications for 8657A67: Overall Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OVERALL; Peripheral Shape Style: ROUND. 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.