The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-01-173-4170, 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 Sae International Dba Sae International. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-173-4170 |
| Primary Part Number | SAE J512 4 040109C |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Head Height | 0.200 INCHES NOMINAL IN |
| Connection Style | INVERTED FLARE |
| Style Designator | PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC) |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.437 INCHES EXTERNAL IN |
| Seat Angle | 42.0 DEGREES |
| Specification/standard Data | 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 8 FIGURE |
| Thread Class | 2A EXTERNAL A |
| Thread Quantity Per Inch | 24 EXTERNAL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS EXTERNAL |
| 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 |
|---|---|
| SAE J512 4 040109C PRIMARY | Sae International Dba Sae International (USA) |
| 222-1062 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| J512 | 5/9 Secondary reference U.S. Government activity |
| J512 | 5/1 Secondary reference Sae International Dba Sae International |
| 4 040109C | 5/9 Secondary reference U.S. Government activity |
| SAE-J512 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 4 040109C | 5/9 Secondary reference Sae International Dba Sae International |
NSN 4730-01-173-4170 is a Plug,tube Fitting,threaded, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-173-4170 has 2 manufacturer part numbers on file: SAE J512 4 040109C (Sae International Dba Sae International), 222-1062 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for SAE J512 4 040109C: Head Height: 0.200 INCHES NOMINAL IN; Connection Style: INVERTED FLARE; Style Designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC); Overall Length: 0.540 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.