The Packing Nut, cataloged under National Stock Number 4730-00-396-1529, 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 Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-396-1529 |
| Primary Part Number | 150S127CX1-B |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Length to Shoulder | 1.250 INCHES NOMINAL IN |
| Hole or Slot Quantity | 2 |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Style Designator | ROUND, INTERNAL THREAD, SHOULDERED |
| Thread Direction | RIGHT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1 9/16 IN-18 IN |
| Screw Thread Series Designator | UNEF |
| Thread Class | 2B |
| Major Unthreaded Outside Diameter | 2.062 INCHES NOMINAL IN |
| Screw Thread Location | INTERNAL |
| Material | STEEL |
| Smallest Inside Diameter | 1.506 INCHES NOMINAL IN |
| Hole Diameter | 0.312 INCHES NOMINAL 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 |
|---|---|
| 150S127CX1-B PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| Z150S127CX1-20H | 5/9 Secondary reference U.S. Government activity |
| Z150S127CX1-156 | 5/9 Secondary reference U.S. Government activity |
| 150S127CX1-B | 3/9 Design control — primary reference U.S. Government activity |
| Y150S127CX1 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4730-00-396-1529 is a Packing Nut, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-396-1529 has 1 manufacturer part number on file: 150S127CX1-B (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 150S127CX1-B: Length to Shoulder: 1.250 INCHES NOMINAL IN; Hole or Slot Quantity: 2; Thread Length: 1.000 INCHES NOMINAL IN; Style Designator: ROUND, INTERNAL THREAD, SHOULDERED. 14 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.