The Parts Kit,air Brake System, cataloged under National Stock Number 4720-00-489-8240, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-00-489-8240 |
| Item Name | Parts Kit,air Brake System |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF HOSE ASSEMBLY,NONMETALLIC 1,HOSE UNION 1,JAM NUT 1,AXLE TEE 1,MACHINE SCREW 1,NUT 1,LOCKWASHER 2,AXLE TEE PLUG,TEE BRACKET 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 402422 | 3/9 Design control — primary reference American Standard Inc Westinghouse Air Brake Co Div |
| 402422N | 5/9 Secondary reference American Standard Inc Westinghouse Air Brake Co Div |
NSN 4720-00-489-8240 is a Parts Kit,air Brake System, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5815-01-033-9279, 4730-01-377-4205. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-00-489-8240: General Characteristics Item Description: CONSISTS OF HOSE ASSEMBLY,NONMETALLIC 1,HOSE UNION 1,JAM NUT 1,AXLE TEE 1,MACHINE SCREW 1,NUT 1,LOCKWASHER 2,AXLE TEE PLUG,TEE BRACKET 1. 1 specification is 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.