The Washer,spring Tension, cataloged under National Stock Number 5310-01-108-7558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Safety Systems 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-108-7558 |
| Primary Part Number | 315SB126-1 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Hardness Rating | 49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.779 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN |
| Material Thickness | 0.031 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.402 INCHES MINIMUM AND 0.409 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 |
|---|---|
| 315SB126-1 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 315SB126-1 | 5/9 Secondary reference Eaton Motor Site |
| BS-20-10.2-0.8 | 5/9 Secondary reference Bearing Engineers Inc Dba Motion Solutions |
| BS20-102-08 | 5/9 Secondary reference Bearing Engineers Inc Dba Motion Solutions |
| 315SB126-1 | 5/9 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
NSN 5310-01-108-7558 is a Washer,spring Tension, manufactured by Meggitt Safety Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-108-7558 has 1 manufacturer part number on file: 315SB126-1 (Meggitt Safety Systems Inc).
Key specifications for 315SB126-1: Overall Height: 0.053 INCHES NOMINAL IN; Hardness Rating: 49.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 0.779 INCHES MINIMUM AND 0.787 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.