The Coupling,tube, cataloged under National Stock Number 4730-01-553-7937, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4730-01-553-7937 |
| Primary Part Number | 375287-4 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Flange Shape | HEXAGON FIRST END |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) FIRST END |
| Nominal Length | 1.934 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Style Designator | GROOVED AND THREADED EXTERNAL |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.000 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | FUEL SINGLE RESPONSE |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNF FIRST 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 |
|---|---|
| 375287-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4730-01-553-7937 is a Coupling,tube, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-553-7937 has 1 manufacturer part number on file: 375287-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-617-4377. Verify interchangeability with system specifications before substitution.
Key specifications for 375287-4: Flange Shape: HEXAGON FIRST END; Connection Style: FLARED W/ GASKET SEAL (BOSS) FIRST END; Nominal Length: 1.934 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 14 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.