The Washer,spring Tension, cataloged under National Stock Number 5310-00-596-0722, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-0722 |
| Primary Part Number | HP358120 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Outside Diameter | 0.343 INCHES NOMINAL IN |
| Material Thickness | 0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.184 INCHES MINIMUM AND 0.200 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 |
|---|---|
| HP358120 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP358120 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-596-0722 is a Washer,spring Tension, manufactured by Tactair Fluid Controls Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-0722 has 1 manufacturer part number on file: HP358120 (Tactair Fluid Controls Inc).
Key specifications for HP358120: Overall Height: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 0.343 INCHES NOMINAL IN; Material Thickness: 0.004 INCHES MINIMUM AND 0.005 INCHES MAXIMUM IN. 6 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.