The Washer,spring Tension, cataloged under National Stock Number 5310-00-977-8138, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div Gas Turbine Fuel Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-977-8138 |
| Primary Part Number | 1445-593363 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AMS 5518 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.553 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Material Thickness | 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OVERALL |
| Hole Diameter | 0.250 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 |
|---|---|
| 1445-593363 PRIMARY | Parker-Hannifin Corporation Div Gas Turbine Fuel Systems (USA) |
NSN 5310-00-977-8138 is a Washer,spring Tension, manufactured by Parker-Hannifin Corporation Div Gas Turbine Fuel Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-977-8138 has 1 manufacturer part number on file: 1445-593363 (Parker-Hannifin Corporation Div Gas Turbine Fuel Systems).
Key specifications for 1445-593363: Overall Height: 0.056 INCHES MINIMUM IN; Style Designator: SPRING TENSION; Material Document and Classification: AMS 5518 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.553 INCHES MINIMUM AND 0.557 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.