The Washer,spring Tension, cataloged under National Stock Number 5310-01-157-8953, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pacific Scientific Co Motor and Control Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-157-8953 |
| Primary Part Number | YP-03151 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pacific Scientific Co Motor and Control Div |
| Status | ACTIVE |
| Outside Diameter | 1.543 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 1.201 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 |
|---|---|
| YP-03151 PRIMARY | Pacific Scientific Co Motor and Control Div (USA) |
| Reference | Meaning |
|---|---|
| W1543-020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-157-8953 is a Washer,spring Tension, manufactured by Pacific Scientific Co Motor and Control Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-157-8953 has 1 manufacturer part number on file: YP-03151 (Pacific Scientific Co Motor and Control Div).
Key specifications for YP-03151: Overall Height: 0.125 INCHES NOMINAL IN; Outside Diameter: 1.543 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL IN; End Item Identification: 2350-01-136-8744; USE ON M1015,M105A1. TM 9-2350-247-24P-1,30 JAN90. 4 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.