The Washer,flat, cataloged under National Stock Number 5310-01-232-6985, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Filtrine Manufacturing Company, Inc.. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-232-6985 |
| Primary Part Number | 426 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Filtrine Manufacturing Company, Inc. |
| Status | ACTIVE |
| Supplementary Features | END ITEM NSN 4130-01-197-6803,MODEL M-10/115VAC,VIBRATION ISOLATOR VAC |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.312 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 |
|---|---|
| 101-1 REV A ITEM27 | The Filtrine Manufacturing Company, Inc. (USA) |
| 426 PRIMARY | The Filtrine Manufacturing Company, Inc. (USA) |
NSN 5310-01-232-6985 is a Washer,flat, manufactured by The Filtrine Manufacturing Company, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-232-6985 has 2 manufacturer part numbers on file: 101-1 REV A ITEM27 (The Filtrine Manufacturing Company, Inc.), 426 (The Filtrine Manufacturing Company, Inc.).
Key specifications for 426: Supplementary Features: END ITEM NSN 4130-01-197-6803,MODEL M-10/115VAC,VIBRATION ISOLATOR VAC; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 6 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.