The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-496-4229, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is United Technologies Corp Electro Systems Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | United Technologies Corp Electro Systems Inc (CAGE 24956); Caterpillar Inc Div Caterpillar Defense (CAGE 11083) |
| Parameter | Value |
|---|---|
| NSN | 5310-00-496-4229 |
| Primary Part Number | NMU44-2 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| NMU44-2 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| NMU44-2BL PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| 9B9759 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| NMU44-2 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
| NMU44-2BL | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 5310-00-496-4229 is a Nut,plain,hexagon, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-496-4229 has 3 manufacturer part numbers on file: NMU44-2 (United Technologies Corp Electro Systems Inc), NMU44-2BL (United Technologies Corp Electro Systems Inc), 9B9759 (Caterpillar Inc Div Caterpillar Defense).
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.