The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-00-941-2630, 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 Hydrasearch Company, Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-941-2630 |
| Primary Part Number | 41-4721-4-4 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SOCKET |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.690 INCHES SECOND END IN |
| Nominal Overall Length | 2.640 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | FED STD 66 C12L14 FED STD SINGLE MATERIAL RESPONSE OR FED STD 66 C1213 FED STD SINGLE MATERIAL RESPONSE SOCKET |
| Material Document and Classification | QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2B FIRST END |
| Material | NICKEL ALLOY NUT |
| Material | NICKEL ALLOY NIPPLE |
| Material | STEEL SOCKET |
| 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 |
|---|---|
| 41-4721-4-4 PRIMARY | Hydrasearch Company, Llc (USA) |
| EF-SM1600A-0404 | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 41-4721-4-4 | 3/9 Design control — primary reference Danfoss Power Solutions II, Llc |
| 30233-4-4BN | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-00-941-2630 is a Adapter,straight,tube to Hose, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-941-2630 has 2 manufacturer part numbers on file: 41-4721-4-4 (Hydrasearch Company, Llc), EF-SM1600A-0404 (Hydrasearch Company, Llc).
Key specifications for 41-4721-4-4: Furnished Items and Quantity: 1 SOCKET; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN. 19 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.