The Washer,spring Tension, cataloged under National Stock Number 5310-01-108-7559, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-108-7559 |
| Primary Part Number | 315SB151-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Hardness Rating | 49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 1.094 INCHES MINIMUM AND 1.102 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.559 INCHES MINIMUM AND 0.567 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 |
|---|---|
| 315SB151-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| BS-28-14.2-0.8 | 3/9 Design control — primary reference Bearing Engineers Inc Dba Motion Solutions |
| BS28-142-08 | 5/9 Secondary reference Bearing Engineers Inc Dba Motion Solutions |
| 315SB151-1 | 5/9 Secondary reference Eaton Motor Site |
NSN 5310-01-108-7559 is a Washer,spring Tension, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-108-7559 has 1 manufacturer part number on file: 315SB151-1 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 315SB151-1: Overall Height: 0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Hardness Rating: 49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 1.094 INCHES MINIMUM AND 1.102 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.