The Washer,flat, cataloged under National Stock Number 5310-01-392-9362, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Columbus Jack Corporation Div Columbus Jack. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-392-9362 |
| Primary Part Number | 004C1215-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Columbus Jack Corporation Div Columbus Jack |
| Status | ACTIVE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.281 INCHES NOMINAL IN |
| Thickness | 0.470 INCHES MINIMUM AND 0.530 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 |
|---|---|
| 004C1215-1 PRIMARY | Columbus Jack Corporation Div Columbus Jack (USA) |
NSN 5310-01-392-9362 is a Washer,flat, manufactured by Columbus Jack Corporation Div Columbus Jack, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-392-9362 has 1 manufacturer part number on file: 004C1215-1 (Columbus Jack Corporation Div Columbus Jack).
Key specifications for 004C1215-1: Overall Diameter: 3.000 INCHES NOMINAL IN; Material Document and Classification: ASTM A36 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.