The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-017-2639, 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. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (CAGE 13841); Danfoss Power Solutions II, Llc (CAGE 01276); Hydrasearch Company, Llc (CAGE 32142) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-017-2639 |
| Primary Part Number | 4790-20-16S |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| A-24320-7 | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
| 4790-20-16S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 90EF-S1600SF-2016 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21930-20-16 | 5/9 Secondary reference U.S. Government activity |
| 4790-S | D/9 Drawing number reference only Danfoss Power Solutions II, Llc |
| 21930-20-16 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4790-20-16 | D/9 Drawing number reference only Danfoss Power Solutions II, Llc |
NSN 4730-01-017-2639 is a Elbow,flange to Hose, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-017-2639 has 3 manufacturer part numbers on file: A-24320-7 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 4790-20-16S (Danfoss Power Solutions II, Llc), 90EF-S1600SF-2016 (Hydrasearch Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-075-6577. Verify interchangeability with system specifications before substitution.
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.