The Union,pipe to Hose, cataloged under National Stock Number 4730-01-089-0487, 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 Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-089-0487 |
| Primary Part Number | 2621-002-03ASSY44 |
| Item Name | Union,pipe to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP |
| Nominal Overall Length | 7.170 INCHES IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Seat Type | GASKET |
| Nondefinitive Spec/std Data | 44 ASSEMBLY |
| Thread Quantity Per Inch | 11-1/2 FIRST END |
| Thread Series Designator | NPSH FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 2621-002-03ASSY44 | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc (USA) |
| 2621-002-03ASSY44 | Guill Tool & Engineering Co Inc Div Guill Defense (USA) |
| Reference | Meaning |
|---|---|
| 2621-002-03ASSY44 | 3/2 Design control — primary reference U.S. Government activity |
| 15-97-0157 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-089-0487 is a Union,pipe to Hose, manufactured by Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-089-0487 has 2 manufacturer part numbers on file: 2621-002-03ASSY44 (Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc), 2621-002-03ASSY44 (Guill Tool & Engineering Co Inc Div Guill Defense).
Key specifications for 2621-002-03ASSY44: Furnished Items and Quantity: 1 CAP; Nominal Overall Length: 7.170 INCHES IN; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS; Operating Pressure: 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. 9 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.