The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-232-3216, 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 Cef Industries, Llc Dba Cef Industries Inc. Government technical data includes 14 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 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 | 4730-01-232-3216 |
| Primary Part Number | 8273-12 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cef Industries, Llc Dba Cef Industries Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625A,TYPE 2 DYE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.0938 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | THREADED INTERNAL PIPE AND THREADED EXTERNAL PIPE FIRST END |
| Material Document and Classification | AMS4120D ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES AND 0.750 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B SECOND END |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | NPSM FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 8273-12 PRIMARY | Cef Industries, Llc Dba Cef Industries Inc (USA) |
NSN 4730-01-232-3216 is a Adapter,straight,pipe to Boss, manufactured by Cef Industries, Llc Dba Cef Industries Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-232-3216 has 1 manufacturer part number on file: 8273-12 (Cef Industries, Llc Dba Cef Industries Inc).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-414-4839. Verify interchangeability with system specifications before substitution.
Key specifications for 8273-12: Surface Treatment Document and Classification: MIL-A-8625A,TYPE 2 DYE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 1.0938 INCHES IN. 14 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.