The Washer,flat, cataloged under National Stock Number 5310-00-006-2364, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Gasket Manufacturing Co.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-006-2364 |
| Primary Part Number | G3M27G58-301 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Gasket Manufacturing Co. |
| Status | ACTIVE |
| Overall Diameter | 0.199 INCHES NOMINAL IN |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Thickness | 0.031 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 |
|---|---|
| H400-301 | Western Gasket and Packing Co (USA) |
| G3M27G58-301 PRIMARY | Gasket Manufacturing Co. (USA) |
| Reference | Meaning |
|---|---|
| 935400-301 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-00-006-2364 is a Washer,flat, manufactured by Gasket Manufacturing Co., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-006-2364 has 2 manufacturer part numbers on file: H400-301 (Western Gasket and Packing Co), G3M27G58-301 (Gasket Manufacturing Co.).
1 possible match (shared part number, not a government interchangeability claim): 5310-00-143-9619. Verify interchangeability with system specifications before substitution.
Key specifications for G3M27G58-301: Overall Diameter: 0.199 INCHES NOMINAL IN; Material Document and Classification: L-P-410 FED SPEC 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.