The Tee,pipe, cataloged under National Stock Number 4730-00-278-3990, 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 Sae International Dba Sae International. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-3990 |
| Primary Part Number | AS4857-02 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Leg Length | 0.891 INCHES MINIMUM AND 0.938 INCHES MAXIMUM ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Thread Series Designator | ANPT ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY OVERALL |
| Specification/standard Data | 81343-AS4857 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS4857 | Sae International Dba Sae International (USA) |
| AS4857 | Society of Automotive Engineers Inc (USA) |
| AS4842 | Sae International Dba Sae International (USA) |
| AN917-2 | Crown Fitting Co Inc (USA) |
| AS4857-02 PRIMARY | Sae International Dba Sae International (USA) |
| AN917-2B | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 213759-2 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| SAE-AS4842 | Sae International Dba Sae International (USA) |
| 174D7 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| AN917-2 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AC895-31 | Department of the Air Force (USA) |
| AN917-2 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| 6500-920172 | Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA) |
| AS4842 | Society of Automotive Engineers Inc (USA) |
| AS4857-02 | Society of Automotive Engineers Inc (USA) |
| AN917-2 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AN917-2 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| AN917-2 | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| 6500-919105 | Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA) |
| AN917-2 | Collins Engineering Corp (USA) |
NSN 4730-00-278-3990 is a Tee,pipe, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-278-3990 has 22 cross-referenced part numbers: AS4857 (Sae International Dba Sae International), AS4857 (Society of Automotive Engineers Inc), AS4842 (Sae International Dba Sae International), AN917-2 (Crown Fitting Co Inc), AS4857-02 (Sae International Dba Sae International) and 17 more.
There are 12 known substitutes for 4730-00-278-3990: 4730-00-149-9276, 4730-00-278-3991, 4730-00-287-3695 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS4857-02: Leg Length: 0.891 INCHES MINIMUM AND 0.938 INCHES MAXIMUM ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Series Designator: ANPT ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-278-3990 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.