The Coupling,pipe, cataloged under National Stock Number 4730-01-117-1937, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-117-1937 |
| Primary Part Number | NH1650C300B0650 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 BOLT AND 2 GASKET AND 2 LOCKNUT |
| Nominal Pipe Size Accommodated | 3.000 INCHES ALL ENDS IN |
| Connection Style | CLAMPING W/ GASKET SEAL (PIPE) ALL ENDS |
| Nominal Overall Length | 6.500 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | COMPRESSION CLAMP TYPE (FLEXMASTER) |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 215.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ZINC OVERALL |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | WATER THIRD RESPONSE |
| Material | STEEL RETAINER |
| Material | RUBBER SYNTHETIC GASKET |
| Material | STEEL SLEEVE |
| Material | STEEL CLAMP |
| 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 |
|---|---|
| 40327 | Sullair Corp (USA) |
| NH1650C300B0650 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| NH1650C300B0650 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-01-117-1937 is a Coupling,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-117-1937 has 2 manufacturer part numbers on file: 40327 (Sullair Corp), NH1650C300B0650 (Danfoss Power Solutions II, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5325-01-215-6421, 4440-01-369-4722, 5120-01-430-2960. Verify interchangeability with system specifications before substitution.
Key specifications for NH1650C300B0650: Furnished Items and Quantity: 2 BOLT AND 2 GASKET AND 2 LOCKNUT; Nominal Pipe Size Accommodated: 3.000 INCHES ALL ENDS IN; Connection Style: CLAMPING W/ GASKET SEAL (PIPE) ALL ENDS; Nominal Overall Length: 6.500 INCHES IN. 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.