The Hose,preformed, cataloged under National Stock Number 4720-01-044-0994, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-044-0994 |
| Primary Part Number | C-3768-2 |
| Item Name | Hose,preformed |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Style Designator | SINGLE BEND |
| Wall Thickness | 0.050 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Inside Diameter | 4.000 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Material | GLASS FIBER AND RUBBER SYNTHETIC COVER |
| Bend Radius | 2.780 INCHES NOMINAL IN |
| Second Arm Length | 4.050 INCHES NOMINAL IN |
| Working Length | 6.940 INCHES NOMINAL IN |
| First Arm Length | 7.060 INCHES NOMINAL 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 |
|---|---|
| C-3768-2 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| 60B50062-2 | The Boeing Company Div Commercial (USA) |
| BOE2006-0002 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 60B50062-2 | 3/2 Design control — primary reference U.S. Government activity |
| C-3768 | D/9 Drawing number reference only Kirkhill, Inc. Dba Kirkhill Inc |
NSN 4720-01-044-0994 is a Hose,preformed, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-044-0994 has 3 manufacturer part numbers on file: C-3768-2 (Kirkhill, Inc. Dba Kirkhill Inc), 60B50062-2 (The Boeing Company Div Commercial), BOE2006-0002 (Flexfab Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-044-6414, 4820-01-187-1106. Verify interchangeability with system specifications before substitution.
Key specifications for C-3768-2: Style Designator: SINGLE BEND; Wall Thickness: 0.050 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Inside Diameter: 4.000 INCHES NOMINAL IN; Special Features: INCL SOFT ENDS EXTENDING 1.60 IN. ON ONE END,1.900 IN. ON OTHER END IN. 9 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.