The Washer,spring Tension, cataloged under National Stock Number 5310-01-052-6368, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-052-6368 |
| Primary Part Number | W2132-023 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Barnes Group Inc |
| Status | ACTIVE |
| Material Document and Classification | ASTM-A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.132 INCHES NOMINAL2.132 INCHES NOMINAL IN |
| Material Thickness | 0.021 INCHES MINIMUM AND 0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM0.025 INCHES MAXIMUM IN |
| Material | STEEL COMP 1075 OVERALL |
| Hole Diameter | 1.658 INCHES NOMINAL1.658 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 |
NSN 5310-01-052-6368 is a Washer,spring Tension, manufactured by Barnes Group Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-052-6368 has 3 manufacturer part numbers on file: 5900986 (A. J. Kay Co.), 5900986 (Four Star Stamping Inc), W2132-023 (Barnes Group Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-072-8137. Verify interchangeability with system specifications before substitution.
Key specifications for W2132-023: Overall Height: 0.148 INCHES NOMINAL0.148 INCHES NOMINAL IN; Material Document and Classification: ASTM-A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.132 INCHES NOMINAL2.132 INCHES NOMINAL IN; Material Thickness: 0.021 INCHES MINIMUM AND 0.021 INCHES MINIMUM AND 0.025 INCHES MAXIMUM0.025 INCHES MAXIMUM IN. 5 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.