The Nut,plain,square, cataloged under National Stock Number 5310-01-729-5489, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mueller Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-729-5489 |
| Primary Part Number | 148691-1 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mueller Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-729-5489 is a Nut,plain,square, manufactured by Mueller Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-729-5489 has 2 manufacturer part numbers on file: 148691-1 (Mueller Co), P304 (Consolidated Pipe & Supply Co Inc Dba Consolidated Pipe & Supply Co Inc).
Key specifications for 148691-1: Part Name Assigned by Controlling Agency: 2 INCH SQUARE OPERATING NUT IN. 0 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.