The Reducer,tube, cataloged under National Stock Number 4730-01-300-4127, 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 Swagelok Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-300-4127 |
| Primary Part Number | SS-6-HRN-4 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Thread Series Designator | NPT FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Overall Length | 1.430 INCHES IN |
| Thread Series Designator | NPT SECOND END |
| Media for Which Designed | OXYGEN, LIQUID SINGLE RESPONSE |
| Operating Pressure | 7500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Reference Number Differentiating Characteristics | SPECIAL CLEAN FOR LOX SERVICE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Reducer Type | CONCENTRIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS-6-HRN-4 | Swagelok Co (USA) |
| 1551AS676-5 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1551AS676 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SS-6-HRN-4 | Cajon Co (USA) |
NSN 4730-01-300-4127 is a Reducer,tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-300-4127 has 4 cross-referenced part numbers: SS-6-HRN-4 (Swagelok Co), 1551AS676-5 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1551AS676 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SS-6-HRN-4 (Cajon Co).
There is 1 known substitute for 4730-01-300-4127: 4730-00-467-2601. Verify interchangeability with system specifications before substitution.
Key specifications for SS-6-HRN-4: Nominal Thread Size: 0.375 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) SECOND END; Thread Series Designator: NPT FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 16 total characteristics are documented in the Federal Logistics Information System.