The Washer,spring Tension, cataloged under National Stock Number 5310-01-080-9227, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-080-9227 |
| Primary Part Number | 539442 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Material Document and Classification | AMS 4530 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.650 INCHES NOMINAL0.650 INCHES NOMINAL IN |
| Material Thickness | 0.011 INCHES NOMINAL0.011 INCHES NOMINAL IN |
| Material | COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.545 INCHES NOMINAL0.545 INCHES NOMINAL 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 |
|---|---|
| 539442 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 539442 | 3/9 Design control — primary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5310-01-080-9227 is a Washer,spring Tension, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-080-9227 has 1 manufacturer part number on file: 539442 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 539442: Overall Height: 0.053 INCHES NOMINAL0.053 INCHES NOMINAL IN; Material Document and Classification: AMS 4530 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.650 INCHES NOMINAL0.650 INCHES NOMINAL IN; Material Thickness: 0.011 INCHES NOMINAL0.011 INCHES NOMINAL IN. 5 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.