The Washer,spring Tension, cataloged under National Stock Number 5310-00-596-0757, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-0757 |
| Primary Part Number | 838197 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.593 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Material Thickness | 0.0071 INCHES NOMINAL IN |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.311 INCHES MINIMUM AND 0.321 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 |
|---|---|
| 838197 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 838197 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5310-00-596-0757 is a Washer,spring Tension, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-0757 has 1 manufacturer part number on file: 838197 (Honeywell International Inc. Dba Honeywell International).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-218-9503. Verify interchangeability with system specifications before substitution.
Key specifications for 838197: Overall Height: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM; Style Designator: SPRING TENSION; Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.