The Insert,tube Fitting, cataloged under National Stock Number 4730-01-164-7975, 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 Oshkosh Defense Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-164-7975 |
| Primary Part Number | 2BD325 |
| Item Name | Insert,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Style Designator | PLAIN |
| Sleeve Outside Diameter | 0.328 INCHES NOMINAL IN |
| Tube Inside Diameter for Which Designed | 0.328 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | COPPER ALLOY |
| Flange Outside Diameter | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2BD325 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 45A198 | D/9 Drawing number reference only C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 45A198-P3 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 2BD325 | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-164-7975 is a Insert,tube Fitting, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-164-7975 has 1 manufacturer part number on file: 2BD325 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-164-7976. Verify interchangeability with system specifications before substitution.
Key specifications for 2BD325: Style Designator: PLAIN; Sleeve Outside Diameter: 0.328 INCHES NOMINAL IN; Tube Inside Diameter for Which Designed: 0.328 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 6 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.