The Packing Nut, cataloged under National Stock Number 4730-00-200-0459, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-200-0459 |
| Primary Part Number | 7329618 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length to Shoulder | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.350 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Style Designator | KNURLED, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 3/4-16 |
| Screw Thread Series Designator | UNF |
| Thread Class | 2B |
| Major Unthreaded Outside Diameter | 0.875 INCHES NOMINAL IN |
| Screw Thread Location | INTERNAL |
| Material | ALUMINUM ALLOY OR COPPER ALLOY |
| Smallest Inside Diameter | 0.281 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 7329618 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 2301430 | 5/9 Secondary reference General Motors Corp |
| 2301430 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| HRB4 | 5/9 Secondary reference U.S. Government activity |
| 761E17 | 5/9 Secondary reference Diamond Reo Truck Co |
| H-4-B | 3/2 Design control — primary reference U.S. Government activity |
| 2301430 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 4730-00-200-0459 is a Packing Nut, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-200-0459 has 1 manufacturer part number on file: 7329618 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-990-5555. Verify interchangeability with system specifications before substitution.
Key specifications for 7329618: Length to Shoulder: 0.500 INCHES NOMINAL IN; Thread Length: 0.350 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Style Designator: KNURLED, INTERNAL THREAD, SHOULDERED; Overall Length: 0.625 INCHES NOMINAL IN. 12 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.