The Tee,tube, cataloged under National Stock Number 4730-01-302-6642, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-6642 |
| Primary Part Number | 1551AS291-1 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Thread Class | 3A ALL ENDS A |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Furnished Items and Quantity | 3 SHORT COUPLING NUT WITH SLEEVE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 316 OVERALL |
| Media for Which Designed | OXYGEN, LIQUID SINGLE RESPONSE |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Leg Length | 1.031 INCHES NOMINAL ALL ENDS IN |
| Thread Series Designator | UNF ALL ENDS |
| Seat Angle | 20.0 DEGREES ALL ENDS |
| Reference Number Differentiating Characteristics | SPECIAL CLEANING FOR OXYGEN SERVICE IAWMIL-C-5211 |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1551AS291-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SS-400-3 | Swagelok Quick-Connect Co (USA) |
| SS-400-3 | Swagelok Co (USA) |
| 1551AS291 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 4730-01-302-6642 is a Tee,tube, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-302-6642 has 4 cross-referenced part numbers: 1551AS291-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SS-400-3 (Swagelok Quick-Connect Co), SS-400-3 (Swagelok Co), 1551AS291 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
There are 3 known substitutes for 4730-01-302-6642: 4730-00-481-6082, 4730-00-684-3796, 4730-01-311-7407. Verify interchangeability with system specifications before substitution.
Key specifications for 1551AS291-1: Thread Class: 3A ALL ENDS A; Connection Style: FLARELESS (TUBE) ALL ENDS; Furnished Items and Quantity: 3 SHORT COUPLING NUT WITH SLEEVE; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.