The Washer,flat, cataloged under National Stock Number 5310-00-939-2367, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-939-2367 |
| Primary Part Number | 511452 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Center Hole Width | 0.141 INCHES NOMINAL IN |
| Center Hole Length | 0.280 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| Overall Diameter | 0.640 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED, NATURAL AGED |
| Material Document and Classification | AMS 4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | DEE |
| Width | 0.520 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | RECTANGULAR |
| Thickness | 0.070 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 |
|---|---|
| 511452 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5310-00-939-2367 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-939-2367 has 1 manufacturer part number on file: 511452 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 511452: Center Hole Width: 0.141 INCHES NOMINAL IN; Center Hole Length: 0.280 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN; Overall Diameter: 0.640 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED. 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.