The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-351-0449, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-351-0449 |
| Primary Part Number | SAE J512 12 040110B |
| Item Name | Inverted Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Width Across Flats | 1.063 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Tube Outside Diameter for Which Designed | 0.750 INCHES NOMINAL IN |
| Style Designator | INVERTED NUT, TUBE, FLARE |
| Thread Direction | RIGHT-HAND |
| Nondefinitive Spec/std Data | 5A FIGURE A |
| Casehardening Indicator | NOT CASEHARDENED |
| Thread Size | 1-1/16-16 |
| Screw Thread Series Designator | UN |
| Thread Class | 2A A |
| Material | COPPER ALLOY |
| Smallest Inside Diameter | 0.755 INCHES MINIMUM AND 0.761 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 |
|---|---|
| SAE J512 12 040110B PRIMARY | Sae International Dba Sae International (USA) |
| 06190-00110 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 100X12 | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| J512 | 5/9 Secondary reference U.S. Government activity |
| 189836 | 5/9 Secondary reference General Motors Corp |
| 363334 | 5/9 Secondary reference White Motor Corp |
| 5214475 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| SAE-J512 | 3/1 Design control — primary reference Sae International Dba Sae International |
| J512 | 5/1 Secondary reference Sae International Dba Sae International |
| N24311 | 5/9 Secondary reference Diamond Reo Truck Co |
| SAE J512 12 040110B | 3/9 Design control — primary reference U.S. Government activity |
| 100X12 | 5/9 Secondary reference Dana Corp Weatherhead Div |
NSN 4730-00-351-0449 is a Inverted Nut,tube Coupling, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-351-0449 has 3 manufacturer part numbers on file: SAE J512 12 040110B (Sae International Dba Sae International), 06190-00110 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 100X12 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-158-1295. Verify interchangeability with system specifications before substitution.
Key specifications for SAE J512 12 040110B: Width Across Flats: 1.063 INCHES NOMINAL IN; Seat Angle in Deg: 45.0; Tube Outside Diameter for Which Designed: 0.750 INCHES NOMINAL IN; Style Designator: INVERTED NUT, TUBE, FLARE. 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.