The Washer,spring Tension, cataloged under National Stock Number 5310-01-462-5554, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-462-5554 |
| Primary Part Number | B1250-051 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | ASTM-A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES MAXIMUM IN |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Material | STEEL COMP 1074 OVERALL |
| Hole Diameter | 0.630 INCHES MINIMUM 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 |
|---|---|
| B1250-051 | Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA) |
| Reference | Meaning |
|---|---|
| B1250-051 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-462-5554 is a Washer,spring Tension, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-462-5554 has 1 manufacturer part number on file: B1250-051 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque).
Key specifications for B1250-051: Overall Height: 0.087 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: ASTM-A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.250 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.