The Washer,flat, cataloged under National Stock Number 5310-01-509-3875, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-509-3875 |
| Primary Part Number | 5793547-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-DTL-24441/29, FORMULA 150, TY IV MIL SPEC 1ST TREATMENT RESPONSE AND MIL-DTL-24441/32, FORMULA 153, TY IV, USED FOR BLACK MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Supplementary Features | DRAWING CALLS THIS: WASHER,ISOLATION,COMPOSITE, PROP |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | GREEN OVERALL |
| Surface Treatment | PRIMER AND PAINT OVERALL |
| Peripheral Shape Style | ROUND |
| Material | GLUE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 3.000 INCHES NOMINAL IN |
| Thickness | 0.063 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 |
|---|---|
| 5793547-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 5793547-1 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5310-01-509-3875 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-509-3875 has 1 manufacturer part number on file: 5793547-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 5793547-1: Surface Treatment Document and Classification: MIL-DTL-24441/29, FORMULA 150, TY IV MIL SPEC 1ST TREATMENT RESPONSE AND MIL-DTL-24441/32, FORMULA 153, TY IV, USED FOR BLACK MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 7.000 INCHES NOMINAL IN; Supplementary Features: DRAWING CALLS THIS: WASHER,ISOLATION,COMPOSITE, PROP; Cross-Sectional Shape Style: RECTANGULAR. 11 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.