The Tee,tube, cataloged under National Stock Number 4730-00-756-1129, 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 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-756-1129 |
| Primary Part Number | 7750 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 0.391 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.391 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.594 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 42.0 DEGREES ALL ENDS |
| Thread Class | 3B THIRD END |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Thread Quantity Per Inch | 24 SECOND END |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNF THIRD 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 |
|---|---|
| FC-4885 | Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA) |
| 2560056 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 7750 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2560056 | 5/9 Secondary reference Gse Production and Support Llc Dba Gse Spares |
| 65C35474-1 | 5/9 Secondary reference U.S. Government activity |
| 7750 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 2560056 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-756-1129 is a Tee,tube, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-756-1129 has 3 manufacturer part numbers on file: FC-4885 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div), 2560056 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 7750 (Danfoss Power Solutions II, Llc).
6 possible matches (shared part number, not a government interchangeability claim): 6515-01-140-9548, 4720-01-289-1744, 6130-01-381-6863. Verify interchangeability with system specifications before substitution.
Key specifications for 7750: Connection Style: INVERTED FLARE (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES THIRD END IN; Leg Length: 0.391 INCHES NOMINAL FIRST END IN. 17 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.