The Hose,air Duct, cataloged under National Stock Number 4720-00-007-1411, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-007-1411 |
| Primary Part Number | D4781 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q SINGLE PLY |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Measuring Method and Length | 2.562 INCHES NOMINAL OVERALL IN |
| Connection Style | RECTANGULAR FIRST END |
| End Overall Length | 0.750 INCHES NOMINAL FIRST END IN |
| Inside Length | 6.625 INCHES NOMINAL FIRST END IN |
| End Inside Width | 3.438 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| End Inside Length | 6.625 INCHES NOMINAL FIRST END IN |
| Inside Width | 3.438 INCHES NOMINAL FIRST END IN |
| Connection Type | PREFORMED FIRST END |
| Wall Thickness | 0.040 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4720-00-007-1411 is a Hose,air Duct, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-007-1411 has 2 cross-referenced part numbers: GD515M1 (Northrop Grumman Systems Corporation), D4781 (Kirkhill, Inc. Dba Kirkhill Inc).
There is 1 known substitute for 4720-00-007-1411: 5930-01-727-4525. Verify interchangeability with system specifications before substitution.
Key specifications for D4781: Material: FIBERGLASS AND RUBBER SILICONE CLASS Q SINGLE PLY; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS; Operating Pressure: 25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Measuring Method and Length: 2.562 INCHES NOMINAL OVERALL IN. 13 total characteristics are documented in the Federal Logistics Information System.