The Washer,flat, cataloged under National Stock Number 5310-01-336-5352, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-336-5352 |
| Primary Part Number | 33123125 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Overall Diameter | 1.406 INCHES NOMINAL IN |
| Heat Treatment | HARDENED AND TEMPERED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1070 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.891 INCHES NOMINAL IN |
| Thickness | 0.028 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 |
|---|---|
| 33123125 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 385847 | 5/9 Secondary reference Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 385847 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5310-01-336-5352 is a Washer,flat, manufactured by Perkins Engines Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-336-5352 has 1 manufacturer part number on file: 33123125 (Perkins Engines Inc).
Key specifications for 33123125: Overall Diameter: 1.406 INCHES NOMINAL IN; Heat Treatment: HARDENED AND TEMPERED; 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.