The Tee,pipe, cataloged under National Stock Number 4730-00-278-3991, 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 21 commercial cross-references from 16 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 | 4730-00-278-3991 |
| Primary Part Number | AS4857-03 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Specification/standard Data | 88044-AN917 GOVERNMENT STANDARD |
| Material | COPPER ALLOY OVERALL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Leg Length | 0.969 INCHES MINIMUM AND 1.016 INCHES MAXIMUM ALL ENDS IN |
| Surface Treatment | CADMIUM OVERALL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Thread Series Designator | ANPT ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS4857-03 | Society of Automotive Engineers Inc (USA) |
| AS4842 | Society of Automotive Engineers Inc (USA) |
| AS4857 | Society of Automotive Engineers Inc (USA) |
| AN917-3 | Hydro-Fitting Manufacturing Corporation (USA) |
| AC895-32 | Department of the Air Force (USA) |
| 8161826 | Us Army Aviation and Missile Command (USA) |
| AN917-3 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN917-3 | Crown Fitting Co Inc (USA) |
| AN917-3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| AN917-3 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AS4842 | Sae International Dba Sae International (USA) |
| 213759-3 | Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA) |
| AS4857-03 PRIMARY | Sae International Dba Sae International (USA) |
| AN917-3 | Collins Engineering Corp (USA) |
| AN917-3 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| AS4857 | Sae International Dba Sae International (USA) |
| AN917-3 | Faber Enterprises, Inc. Div Faber Enterprise Inc (USA) |
| AN917-3 | Aerofit, Llc (USA) |
| SAE-AS4842 | Sae International Dba Sae International (USA) |
| 4730PL0562315 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
NSN 4730-00-278-3991 is a Tee,pipe, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-278-3991 has 21 cross-referenced part numbers: AS4857-03 (Society of Automotive Engineers Inc), AS4842 (Society of Automotive Engineers Inc), AS4857 (Society of Automotive Engineers Inc), AN917-3 (Hydro-Fitting Manufacturing Corporation), AC895-32 (Department of the Air Force) and 16 more.
There are 12 known substitutes for 4730-00-278-3991: 4730-00-149-9276, 4730-00-278-3990, 4730-00-287-3695 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS4857-03: Specification/standard Data: 88044-AN917 GOVERNMENT STANDARD; Material: COPPER ALLOY OVERALL; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Leg Length: 0.969 INCHES MINIMUM AND 1.016 INCHES MAXIMUM ALL ENDS IN. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-278-3991 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.