The Hose,air Duct, cataloged under National Stock Number 4720-01-187-2099, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hbd Industries, Inc Div Hbd/thermoid 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-187-2099 |
| Primary Part Number | LAET-24-10 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Measuring Method and Length | 2.500 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN FIRST END |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | ABRASION RESISTANT |
| Inside Diameter | 6.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR ALL PLIES |
| 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 |
|---|---|
| LAET-24-10 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| CB030-6.00-10 PRIMARY | Arrowhead Products Corp (USA) |
| GS10A-24-5 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| KNF-5-12-N-0 | 3/1 Design control — primary reference Kirkhill, Inc. Dba Kirkhill Inc |
| GS10A | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4720-01-187-2099 is a Hose,air Duct, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-187-2099 has 3 manufacturer part numbers on file: LAET-24-10 (Hbd Industries, Inc Div Hbd/thermoid Inc), CB030-6.00-10 (Arrowhead Products Corp), GS10A-24-5 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-280-8375, 5330-01-439-5432. Verify interchangeability with system specifications before substitution.
Key specifications for LAET-24-10: Measuring Method and Length: 2.500 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 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.