The Washer,spring Tension, cataloged under National Stock Number 5310-01-052-0744, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 9 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 | 5310-01-052-0744 |
| Primary Part Number | 2040448-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-8837,TYPE2,CLASS2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS5529,CONDC,17-7PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.270 INCHES MINIMUM AND 2.270 INCHES MINIMUM AND 2.280 INCHES MAXIMUM2.280 INCHES MAXIMUM IN |
| Material Thickness | 0.133 INCHES MINIMUM AND 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM0.143 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 1.260 INCHES MINIMUM AND 1.260 INCHES MINIMUM AND 1.270 INCHES MAXIMUM1.270 INCHES MAXIMUM 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 |
|---|---|
| 2040448-1 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5310-01-052-0744 is a Washer,spring Tension, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-052-0744 has 1 manufacturer part number on file: 2040448-1 (Honeywell International Inc. Div Aerospace - Torrance).
Key specifications for 2040448-1: Surface Treatment Document and Classification: MIL-C-8837,TYPE2,CLASS2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM50.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Material Document and Classification: AMS5529,CONDC,17-7PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.