The Packing Nut, cataloged under National Stock Number 4730-01-349-0502, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Valley Machine & Engineering, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-349-0502 |
| Primary Part Number | 458-56160-1 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Valley Machine & Engineering, Inc |
| Status | ACTIVE |
| FSC Application Data | C-135R AIRCRAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 458-56160-1 | Valley Machine & Engineering, Inc (USA) |
| 458-56160-1 | Perez Machine, Inc. Dba Perez Machine Inc (USA) |
| 458-56160-1 | Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles (USA) |
| 458-56160-1 | Merritt Preferred Components Inc Div Merritt Preferred Components (USA) |
| 458-56160-1 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 458-56160-1 | Heroux-Devtek Inc (CAN) |
| 458-56160-1 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 458-56160-1 | Goodrich Corporation (USA) |
| 458-56160-1 | Hdi Landing Gear Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 458-56160-1 | 3/2 Design control — primary reference U.S. Government activity |
| 458-56160-1 | 5/2 Secondary reference U.S. Government activity |
| 458-56160-1 | 5/9 Secondary reference Eagle Tool & Machine Co., Inc. |
NSN 4730-01-349-0502 is a Packing Nut, manufactured by Valley Machine & Engineering, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-349-0502 has 9 manufacturer part numbers on file: 458-56160-1 (Valley Machine & Engineering, Inc), 458-56160-1 (Perez Machine, Inc. Dba Perez Machine Inc), 458-56160-1 (Alatus Aerosystems Dba F.k.a., Triumph Structures-Los Angeles), 458-56160-1 (Merritt Preferred Components Inc Div Merritt Preferred Components), 458-56160-1 (Es3 Prime Logistics Group Inc Dba Es3 Plg) and 4 more.
Key specifications for 458-56160-1: FSC Application Data: C-135R AIRCRAFT. 1 specification is 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.