The Hose,air Duct, cataloged under National Stock Number 4720-01-168-6924, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites. Government technical data includes 11 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4720-01-168-6924 |
| Primary Part Number | 21A18-04C27-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites |
| Status | ACTIVE |
| Measuring Method and Length | 3.750 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.050 INCHES NOMINAL IN |
| Operating Pressure | 12.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q SINGLE PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21A18-04C27-6 PRIMARY | Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA) |
| Reference | Meaning |
|---|---|
| NAS1369 | 3/1 Design control — primary reference U.S. Government activity |
| 21A18-04C27-6 | 5/9 Secondary reference Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc |
| NAS1376A04SD015 | 3/2 Design control — primary reference U.S. Government activity |
| LE271-0104-0615 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 4720-01-168-6924 is a Hose,air Duct, manufactured by Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-168-6924 has 1 manufacturer part number on file: 21A18-04C27-6 (Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites).
Key specifications for 21A18-04C27-6: Measuring Method and Length: 3.750 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS. 11 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.
NSN 4720-01-168-6924 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.