The Washer,flat, cataloged under National Stock Number 5310-01-352-3344, 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 Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-352-3344 |
| Primary Part Number | 03A250D27C65 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | OXIDE FILM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM 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 |
|---|---|
| 03A250D27C65 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
NSN 5310-01-352-3344 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-352-3344 has 1 manufacturer part number on file: 03A250D27C65 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 03A250D27C65: Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.650 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.