The Washer,spring Tension, cataloged under National Stock Number 5310-01-206-3487, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Associated Spring Corp Div of the Barnes Group Inc Dallas Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-206-3487 |
| Primary Part Number | B0343-016 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Associated Spring Corp Div of the Barnes Group Inc Dallas Div |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.343 INCHES MAXIMUM IN |
| Material Thickness | 0.016 INCHES NOMINAL IN |
| Material | STEEL COMP 1075 OVERALL |
| Hole Diameter | 0.164 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 |
|---|---|
| B0343-016 PRIMARY | Associated Spring Corp Div of the Barnes Group Inc Dallas Div (USA) |
| Reference | Meaning |
|---|---|
| 60710823-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5310-01-206-3487 is a Washer,spring Tension, manufactured by Associated Spring Corp Div of the Barnes Group Inc Dallas Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-206-3487 has 1 manufacturer part number on file: B0343-016 (Associated Spring Corp Div of the Barnes Group Inc Dallas Div).
Key specifications for B0343-016: Overall Height: 0.026 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.343 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.