The Washer,flat, cataloged under National Stock Number 5310-01-554-6735, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Southern California Gold Products, Inc. Dba Southern California Gold Products Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-554-6735 |
| Primary Part Number | 100NWSF0Z |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Southern California Gold Products, Inc. Dba Southern California Gold Products Inc |
| Status | ACTIVE |
| Overall Diameter | 20.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 92.0 ROCKWELL B NOMINAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 10.5 MILLIMETERS NOMINAL MM |
| Thickness | 1.8 MILLIMETERS MINIMUM AND 2.2 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 100NWSF0Z PRIMARY | Southern California Gold Products, Inc. Dba Southern California Gold Products Inc (USA) |
| 91455A140 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 13023477 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5310-01-554-6735 is a Washer,flat, manufactured by Southern California Gold Products, Inc. Dba Southern California Gold Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-554-6735 has 2 manufacturer part numbers on file: 100NWSF0Z (Southern California Gold Products, Inc. Dba Southern California Gold Products Inc), 91455A140 (Mcmaster-Carr Supply Co).
Key specifications for 100NWSF0Z: Overall Diameter: 20.0 MILLIMETERS NOMINAL MM; Hardness Rating: 92.0 ROCKWELL B NOMINAL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: HIGH STRENGTH STEEL; FOR M10 SCREW SIZE. 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.