The Washer,special,serrated, cataloged under National Stock Number 5310-00-673-3365, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-673-3365 |
| Primary Part Number | 578643-1 |
| Item Name | Washer,special,serrated |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL 1020; CADMIUM PLATED,QQ-P-416,TYPE 1; INTERNAL INVOLUTE SERRATIONS 64/128 DIAMETRAL PITCH-27 TEETH; 0.750 IN. OD; 0.188 IN. THK; COUNTERSUNK 90 DEG BY 0.459 IN. DIA BOTH SIDES 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 |
|---|---|
| 578643-1 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 578643-1 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
| 578643 | D/9 Drawing number reference only Goodrich Corp Dba Goodrich Corp |
NSN 5310-00-673-3365 is a Washer,special,serrated, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-673-3365 has 1 manufacturer part number on file: 578643-1 (Goodrich Corporation).
Key specifications for 578643-1: General Characteristics Item Description: STEEL 1020; CADMIUM PLATED,QQ-P-416,TYPE 1; INTERNAL INVOLUTE SERRATIONS 64/128 DIAMETRAL PITCH-27 TEETH; 0.750 IN. OD; 0.188 IN. THK; COUNTERSUNK 90 DEG BY 0.459 IN. DIA BOTH SIDES IN. 1 specification is 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.