The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-206-9588, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-206-9588 |
| Primary Part Number | 2CR855 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST 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 |
|---|---|
| 2CR855 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 45A391P2 | D/9 Drawing number reference only C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 45A391-P25 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 2CR855 | 5/9 Secondary reference Oshkosh Corp |
NSN 4730-01-206-9588 is a Adapter,straight,pipe to Boss, manufactured by Oshkosh Defense Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-206-9588 has 1 manufacturer part number on file: 2CR855 (Oshkosh Defense Llc).
Key specifications for 2CR855: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END. 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.