The Washer,flat, cataloged under National Stock Number 5310-01-473-4157, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Evansville Bolt & Nut Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-473-4157 |
| Primary Part Number | 37N100WFES |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Evansville Bolt & Nut Inc |
| Status | ACTIVE |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.560 INCHES NOMINAL IN |
| Thickness | 0.140 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 |
|---|---|
| 37N100WFES PRIMARY | Evansville Bolt & Nut Inc (USA) |
| Reference | Meaning |
|---|---|
| 392AS409 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3392AS409 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 375N100WFES | 5/9 Secondary reference Evansville Bolt & Nut Inc |
NSN 5310-01-473-4157 is a Washer,flat, manufactured by Evansville Bolt & Nut Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-473-4157 has 1 manufacturer part number on file: 37N100WFES (Evansville Bolt & Nut Inc).
Key specifications for 37N100WFES: Overall Diameter: 3.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: USED ON SH60B GAU16G. 7 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.