The Clamp,hose, cataloged under National Stock Number 4730-01-439-3871, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Oetiker, Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-439-3871 |
| Primary Part Number | 16802367 |
| Item Name | Clamp,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oetiker, Inc |
| Status | ACTIVE |
| Fastening Device Type | PUNCH LOCK |
| Style Designator | GENERAL PURPOSE USE |
| Inside Diameter | 21.9 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 304 OVERALL |
| 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 |
|---|---|
| 16802367 PRIMARY | Oetiker, Inc (USA) |
| 3297AS201-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3297AS201 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 16802367 | 3/9 Design control — primary reference Oetiker Inc |
NSN 4730-01-439-3871 is a Clamp,hose, manufactured by Oetiker, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-439-3871 has 2 manufacturer part numbers on file: 16802367 (Oetiker, Inc), 3297AS201-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-439-5189, 4730-01-439-6134. Verify interchangeability with system specifications before substitution.
Key specifications for 16802367: Fastening Device Type: PUNCH LOCK; Style Designator: GENERAL PURPOSE USE; Overall Width: 0.60 MILLIMETERS NOMINAL MM; Inside Diameter: 21.9 MILLIMETERS NOMINAL MM. 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.