The Washer,flat, cataloged under National Stock Number 5310-01-152-9355, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Enersys Inc. Div Hertner. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-152-9355 |
| Primary Part Number | 074-1-59 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Enersys Inc. Div Hertner |
| Status | ACTIVE |
| Overall Diameter | 0.501 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 416 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 31E61-1 | Grimes Aerospace Company (USA) |
| 31E61-1 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| 074-1-59 PRIMARY | Enersys Inc. Div Hertner (USA) |
| Reference | Meaning |
|---|---|
| 10109834 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-152-9355 is a Washer,flat, manufactured by Enersys Inc. Div Hertner, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-152-9355 has 3 manufacturer part numbers on file: 31E61-1 (Grimes Aerospace Company), 31E61-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 074-1-59 (Enersys Inc. Div Hertner).
Key specifications for 074-1-59: Overall Diameter: 0.501 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL COMP 416 OVERALL. 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.