The Washer,key, cataloged under National Stock Number 5310-01-211-5044, 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 7 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 | 5310-01-211-5044 |
| Primary Part Number | 738612-3 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.120 INCHES NOMINAL IN |
| Hardness Rating | 75.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| Material Document and Classification | AMS 5513 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.200 INCHES MINIMUM AND 3.230 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 OVERALL |
| Internal Key Quantity | 3 |
| 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 |
|---|---|
| 738612-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5310-01-211-5044 is a Washer,key, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-211-5044 has 1 manufacturer part number on file: 738612-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 738612-3: Internal Prebent Key Width: 0.120 INCHES NOMINAL IN; Hardness Rating: 75.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Material Document and Classification: AMS 5513 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.200 INCHES MINIMUM AND 3.230 INCHES MAXIMUM IN. 7 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.