The Packing Nut, cataloged under National Stock Number 4730-00-186-2544, 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 Acra Aerospace, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-186-2544 |
| Primary Part Number | 3023T12P04 |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Acra Aerospace, Llc |
| Status | ACTIVE |
| Width Across Flats | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Thread Length | 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Style Designator | HEXAGON, EXTERNAL THREAD, INVERTED FLARE |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 0.750-16 |
| Screw Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Surface Treatment | SILVER |
| Thread Class | 3A A |
| Screw Thread Location | EXTERNAL |
| Material | NICKEL ALLOY 718 |
| Smallest Inside Diameter | 0.515 INCHES MINIMUM AND 0.525 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 |
|---|---|
| 3023T12P04 | Acra Aerospace, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3023T12P04 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-186-2544 is a Packing Nut, manufactured by Acra Aerospace, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-186-2544 has 1 manufacturer part number on file: 3023T12P04 (Acra Aerospace, Llc).
Key specifications for 3023T12P04: Width Across Flats: 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0; Thread Length: 0.364 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN; Style Designator: HEXAGON, EXTERNAL THREAD, INVERTED FLARE. 13 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.