The Washer,spring Tension, cataloged under National Stock Number 5310-00-595-9908, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-595-9908 |
| Primary Part Number | HPC176108 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-8143 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.981 INCHES MINIMUM AND 0.991 INCHES MAXIMUM IN |
| Material Thickness | 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.443 INCHES MINIMUM AND 0.453 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 |
|---|---|
| HPC176108 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HPC176108 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-595-9908 is a Washer,spring Tension, manufactured by Tactair Fluid Controls Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-595-9908 has 1 manufacturer part number on file: HPC176108 (Tactair Fluid Controls Inc).
Key specifications for HPC176108: Overall Height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-8143 MIL 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.