The Washer,flat, cataloged under National Stock Number 5310-01-246-2403, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cincinnati Gearing Systems Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-246-2403 |
| Primary Part Number | 24-7300-03559 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cincinnati Gearing Systems Inc |
| Status | ACTIVE |
| Overall Diameter | 2.156 INCHES NOMINAL IN |
| Material Document and Classification | AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4140 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.886 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN |
| Thickness | 0.182 INCHES MINIMUM AND 0.188 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 |
|---|---|
| 24-7300-03559 PRIMARY | Cincinnati Gearing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5829259 | 5/9 Secondary reference The Cincinnati Gear Company Dba Power Transmission Systems |
| 5829259 | 5/9 Secondary reference Naval Sea Systems Command |
| 24-7300-03559 | 3/9 Design control — primary reference The Cincinnati Gear Company Dba Power Transmission Systems |
NSN 5310-01-246-2403 is a Washer,flat, manufactured by Cincinnati Gearing Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-246-2403 has 1 manufacturer part number on file: 24-7300-03559 (Cincinnati Gearing Systems Inc).
Key specifications for 24-7300-03559: Overall Diameter: 2.156 INCHES NOMINAL IN; Material Document and Classification: AMS6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.