The Sleeve,coupling Pipe, cataloged under National Stock Number 4730-01-243-6356, 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 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-243-6356 |
| Primary Part Number | NK1237-300B0650 |
| Item Name | Sleeve,coupling Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,ZINC PLATED; 3.000 IN. PIPE SIZE; 9.250 IN. LG IN |
| 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 |
|---|---|
| NK1237-300B0650 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| NK1237-300B0650 | 5/9 Secondary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
| NK1237-300B9.250 | 3/9 Design control — primary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
| NK1237 | D/9 Drawing number reference only Aeroquip Corp Transportation Products Div Lawrence Plant |
| NK1237-300B0000 | 5/9 Secondary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
NSN 4730-01-243-6356 is a Sleeve,coupling Pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-243-6356 has 1 manufacturer part number on file: NK1237-300B0650 (Danfoss Power Solutions II, Llc).
Key specifications for NK1237-300B0650: General Characteristics Item Description: STEEL,ZINC PLATED; 3.000 IN. PIPE SIZE; 9.250 IN. LG IN. 1 specification is 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.