The Reducer,boss, cataloged under National Stock Number 4730-01-136-7746, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-136-7746 |
| Primary Part Number | 58279-2 |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | ACTIVE |
| Material | STEEL COMP 316 OVERALL |
| Reducer Type | CONCENTRIC |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Overall Length | 1.000 INCHES IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Thread Class | 2B FIRST END |
| Thread Series Designator | UNF ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 58279 | L3harris Technologies, Inc. (USA) |
| 58279-2 PRIMARY | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 6929681 | Naval Sea Systems Command (USA) |
| 57029 ITEM 099 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 20-16F50G5SS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 20-16F50G5SS | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 0510-20-16-SS | Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division (USA) |
| 57029 ITEM 099 | L3harris Technologies, Inc. (USA) |
| 57029 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 20-16ARCSS | Lenz Inc Dba the Lenz Company (USA) |
| 58279 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
NSN 4730-01-136-7746 is a Reducer,boss, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-136-7746 has 11 cross-referenced part numbers: 58279 (L3harris Technologies, Inc.), 58279-2 (L3harris Technologies, Inc. Div Space and Airborne Systems), 6929681 (Naval Sea Systems Command), 57029 ITEM 099 (L3harris Technologies, Inc. Div Space and Airborne Systems), 20-16F50G5SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 6 more.
There are 8 known substitutes for 4730-01-136-7746: 5950-00-646-3728, 4730-01-136-7718, 4820-01-137-8727 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 58279-2: Material: STEEL COMP 316 OVERALL; Reducer Type: CONCENTRIC; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Type: THREADED EXTERNAL BOSS SECOND END. 15 total characteristics are documented in the Federal Logistics Information System.