The Reducer,boss, cataloged under National Stock Number 4730-01-049-7850, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-049-7850 |
| Primary Part Number | 3302-2-12 |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Nominal Overall Length | 2.310 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Material Document and Classification | AMS 5649 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 1.063 INCHES SECOND END IN |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 16 FIRST END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UN ALL ENDS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 3223368-12 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 3223368-0012 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| T316 004 312 | Lockheed Martin Librascope Corporation (USA) |
| 3302-2-12 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 3223368 | 7/1 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4730-01-049-7850 is a Reducer,boss, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-049-7850 has 4 manufacturer part numbers on file: 3223368-12 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3223368-0012 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T316 004 312 (Lockheed Martin Librascope Corporation), 3302-2-12 (Transdigm Inc Div Adelwiggins Group).
Key specifications for 3302-2-12: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Nominal Overall Length: 2.310 INCHES IN. 15 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.