The Nut,plain,cap, cataloged under National Stock Number 5310-01-143-0489, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Regal Rexnord Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-143-0489 |
| Primary Part Number | WA35538 |
| Item Name | Nut,plain,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Regal Rexnord Corporation |
| Status | ACTIVE |
| Thread Series | UNFUNF |
| Material Document and Classification | MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HANDRIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES0.500 INCHES IN |
| Surface Treatment | CADMIUM OVERALLCADMIUM OVERALL |
| Thread Quantity Per Inch | 2020 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| WA35538 PRIMARY | Regal Rexnord Corporation (USA) |
| Reference | Meaning |
|---|---|
| WA35538 | 3/9 Design control — primary reference Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
NSN 5310-01-143-0489 is a Nut,plain,cap, manufactured by Regal Rexnord Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-143-0489 has 1 manufacturer part number on file: WA35538 (Regal Rexnord Corporation).
Key specifications for WA35538: Thread Series: UNFUNF; Material Document and Classification: MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALLMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HANDRIGHT-HAND; Nominal Thread Size: 0.500 INCHES0.500 INCHES IN. 7 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.