The Washer,flat, cataloged under National Stock Number 5310-00-274-8802, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Woodward, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-274-8802 |
| Primary Part Number | 186053 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Woodward, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1012 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thickness | 0.021 INCHES MINIMUM AND 0.041 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 |
|---|---|
| 186053 PRIMARY | Woodward, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 172037PC186053 | 5/9 Secondary reference Woodward, Inc. |
| 419-6202-724768ALT5PC14WSHR | 5/9 Secondary reference U.S. Government activity |
| 172037PC186053 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
| 7304-419PC14WSHR | 5/9 Secondary reference U.S. Government activity |
| 417-6505-984934PC14WSHR | 5/9 Secondary reference U.S. Government activity |
| 186053 | 5/9 Secondary reference Woodward, Inc. Div Fuel Systems and Controls |
NSN 5310-00-274-8802 is a Washer,flat, manufactured by Woodward, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-8802 has 1 manufacturer part number on file: 186053 (Woodward, Inc.).
Key specifications for 186053: Overall Diameter: 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN; Material Document and Classification: AISI 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.