The Coupling Assembly,self-Sealing, cataloged under National Stock Number 4730-00-335-2372, 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 Danfoss Power Solutions II, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-335-2372 |
| Primary Part Number | 510104-12B |
| Item Name | Coupling Assembly,self-Sealing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Second Leg Length | 0.703 INCHES NOMINAL0.703 INCHES NOMINAL IN |
| Connection Style | PLAIN FIRST QUICK DISCONNECT ENDPLAIN FIRST QUICK DISCONNECT END |
| Connection Type | THREADED INTERNAL PIPE FIRST QUICK DISCONNECT ENDTHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END |
| Style Designator | COUPLING ASSEMBLY |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Second End Relationship with First End | IDENTICALIDENTICAL |
| Features Provided | SELF-SEALINGSELF-SEALING |
| Nominal Thread Size | 0.750 INCHES FIRST QUICK DISCONNECT END0.750 INCHES FIRST QUICK DISCONNECT END IN |
| Maximum Operating Temp | 121.0 CELSIUS SINGLE RESPONSE121.0 CELSIUS SINGLE RESPONSE DEGC |
| First Leg Length | 0.703 INCHES NOMINAL0.703 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BODY |
| Material | STEEL BODY |
| Thread Series Designator | NPTF FIRST QUICK DISCONNECT END |
| 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 |
|---|---|
| 510104-12B PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 510112 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 510112 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 103551R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 510104-12 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 8332680 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 103551R91 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-335-2372 is a Coupling Assembly,self-Sealing, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-335-2372 has 3 manufacturer part numbers on file: 510104-12B (Danfoss Power Solutions II, Llc), 510112 (Meritor Heavy Vehicle Systems, Llc), 510112 (Meritor Industrial Products, Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5330-00-762-9937, 6515-01-214-1517, 1680-01-557-2599. Verify interchangeability with system specifications before substitution.
Key specifications for 510104-12B: Second Leg Length: 0.703 INCHES NOMINAL0.703 INCHES NOMINAL IN; Connection Style: PLAIN FIRST QUICK DISCONNECT ENDPLAIN FIRST QUICK DISCONNECT END; Connection Type: THREADED INTERNAL PIPE FIRST QUICK DISCONNECT ENDTHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END; Style Designator: COUPLING ASSEMBLY. 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.