The Packing Nut, cataloged under National Stock Number 4730-00-366-0393, 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 Brinkley Technology Group Llc Dba Hercules Manufacturing. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-366-0393 |
| Primary Part Number | 22175A |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Length to Shoulder | 1.3167 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Thread Length | 0.594 INCHES NOMINAL IN |
| Style Designator | KNURLED, INTERNAL THREAD, SHOULDERED |
| Thread Pitch Diameters | +1.4500 TO 1.4536 INCHES IN |
| Thread Direction | LEFT-HAND |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-1/2IN-14 IN |
| Screw Thread Series Designator | UNS |
| Major Unthreaded Outside Diameter | 1.750 INCHES NOMINAL IN |
| Screw Thread Location | EXTERNAL |
| Smallest Inside Diameter | 0.781 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 |
|---|---|
| 22175A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 22175A | 5/2 Secondary reference U.S. Government activity |
| 22175A | 5/9 Secondary reference Hercules Engine Co Inc |
| 22175A | 5/9 Secondary reference Chicago Pneumatic Tool Co |
NSN 4730-00-366-0393 is a Packing Nut, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-366-0393 has 1 manufacturer part number on file: 22175A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 22175A: Length to Shoulder: 1.3167 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Thread Length: 0.594 INCHES NOMINAL IN; Style Designator: KNURLED, INTERNAL THREAD, SHOULDERED. 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.