The Elbow,hose to Boss, cataloged under National Stock Number 4730-00-760-3404, 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 Hydrasearch Company, Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-760-3404 |
| Primary Part Number | 4-191301-1/2-12 |
| Item Name | Elbow,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SOCKET |
| Flow Angle | 90.0 DEGREES |
| Connection Style | GRIPPING NIPPLE (NOSE) FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Hose Accommodated | 1.078 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL HOSE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-N-281,CL A OR B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 2.310 INCHES NOMINAL SECOND END IN |
| Leg Length | 4.150 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.750 INCHES SECOND END IN |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN SECOND 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 |
|---|---|
| 90EF-1488CL-0812 | Hydrasearch Company, Llc (USA) |
| 4-191301-1/2-12 PRIMARY | Hydrasearch Company, Llc (USA) |
| CMC-4-5701-1/2-12 | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| 4-191301-1/2-12 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
| 2620-225X2PC324 | 5/2 Secondary reference U.S. Government activity |
| MIL-F-24787/3 GR VIII TY CL | 4/1 Identification reference U.S. Government activity |
| 2620-225X1PC324 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-760-3404 is a Elbow,hose to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-760-3404 has 3 manufacturer part numbers on file: 90EF-1488CL-0812 (Hydrasearch Company, Llc), 4-191301-1/2-12 (Hydrasearch Company, Llc), CMC-4-5701-1/2-12 (Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-790-2475, 4730-00-868-2901, 4730-00-928-4529. Verify interchangeability with system specifications before substitution.
Key specifications for 4-191301-1/2-12: Furnished Items and Quantity: 1 SOCKET; Flow Angle: 90.0 DEGREES; Connection Style: GRIPPING NIPPLE (NOSE) FIRST END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. 16 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.