The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-689-3860, 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 Fitting Source, Inc Dba Fitting Source Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-689-3860 |
| Primary Part Number | 816BX4-NZ |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fitting Source, Inc Dba Fitting Source Inc |
| Status | ACTIVE |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Surface Treatment | NICKEL AND ZINC OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT SECOND END |
| 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 |
|---|---|
| 816BX4-NZ PRIMARY | Fitting Source, Inc Dba Fitting Source Inc (USA) |
| Reference | Meaning |
|---|---|
| 4129AS0201 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4730-01-689-3860 is a Adapter,straight,pipe to Tube, manufactured by Fitting Source, Inc Dba Fitting Source Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-689-3860 has 1 manufacturer part number on file: 816BX4-NZ (Fitting Source, Inc Dba Fitting Source Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-689-3869, 4730-01-689-3877, 4730-01-689-3888. Verify interchangeability with system specifications before substitution.
Key specifications for 816BX4-NZ: Nominal Thread Size: 0.125 INCHES SECOND END IN; Special Features: FIRST END THREAD JIC 0.250 INCHES IN; Surface Treatment: NICKEL AND ZINC OVERALL; Part Name Assigned by Controlling Agency: ADAPTER. 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.