The Hose,nonmetallic, cataloged under National Stock Number 4720-01-374-2974, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-374-2974 |
| Primary Part Number | 6553-3 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Measuring Method and Length | 18.000 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 6553-3 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| 5768570 ITEM 60 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6553-3 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-374-2974 is a Hose,nonmetallic, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-374-2974 has 2 manufacturer part numbers on file: 6553-3 (Transdigm Inc Div Adelwiggins Group), 5768570 ITEM 60 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-491-5129. Verify interchangeability with system specifications before substitution.
Key specifications for 6553-3: Measuring Method and Length: 18.000 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: ROUND; Inside Diameter: 0.375 INCHES NOMINAL IN; Inside Surface Condition: SMOOTH. 4 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.