The Washer,flat, cataloged under National Stock Number 5310-01-440-4884, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jlg Industries, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-440-4884 |
| Primary Part Number | 8307913 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTM B633, TY 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 4.718 INCHES MINIMUM AND 4.782 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 3.045 INCHES MINIMUM AND 3.075 INCHES MAXIMUM IN |
| Thickness | 0.108 INCHES MINIMUM AND 0.132 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 |
|---|---|
| 8307913 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8307913 | 5/9 Secondary reference Trak International |
NSN 5310-01-440-4884 is a Washer,flat, manufactured by Jlg Industries, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-440-4884 has 1 manufacturer part number on file: 8307913 (Jlg Industries, Inc.).
Key specifications for 8307913: Surface Treatment Document and Classification: ASTM B633, TY 1 OR 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 4.718 INCHES MINIMUM AND 4.782 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC AND CHROMATE OVERALL. 9 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.