The Washer,flat, cataloged under National Stock Number 5310-01-534-7700, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jesse Industries Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-534-7700 |
| Primary Part Number | JW00014NP-4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jesse Industries Inc |
| Status | ACTIVE |
| Overall Diameter | 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | IRON ALLOY 660 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.251 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thickness | 0.057 INCHES MINIMUM AND 0.069 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 |
|---|---|
| JW00014NP-4 PRIMARY | Jesse Industries Inc (USA) |
| AS4987NP-4 PRIMARY | Anillo Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 4D0012-4P | 5/2 Secondary reference U.S. Government activity |
| NS202139-4 | 3/2 Design control — primary reference U.S. Government activity |
| VN936NP4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-534-7700 is a Washer,flat, manufactured by Jesse Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-534-7700 has 2 manufacturer part numbers on file: JW00014NP-4 (Jesse Industries Inc), AS4987NP-4 (Anillo Industries Llc).
Key specifications for JW00014NP-4: Overall Diameter: 0.521 INCHES MINIMUM AND 0.541 INCHES MAXIMUM IN; Material Document and Classification: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 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.