PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS4857S02Tee,pipe

Sae International Dba Sae International · NSN 4730-00-432-9638 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-432-9638 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-432-9638. Primary manufacturer part number: AS4857S02.
Features
  • Tee,pipe — FSC 4730
  • Media for Which Designed: OXYGEN, GASEOUS SECOND RESPONSEFLUID FIRST RESPONSE
  • Connection Style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
  • Specification/standard Data: 88044-AN917 GOVERNMENT STANDARD
  • Leg Length: 1.781 INCHES MINIMUM AND 1.781 INCHES MINIMUM AND 1.875 INCHES MAXIMUM ALL ENDS1.875 INCHES MAXIMUM ALL ENDS IN
  • Maximum Operating Temp: -65.0 FAHRENHEIT SECOND RESPONSE-65.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Media for Which Designed: OXYGEN, GASEOUS SECOND RESPONSE
  • Material: STEEL COMP 347 OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 347 Overall construction
General Description

The Tee,pipe, cataloged under National Stock Number 4730-00-432-9638, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-432-9638
Primary Part NumberAS4857S02
Item NameTee,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Media for Which DesignedOXYGEN, GASEOUS SECOND RESPONSEFLUID FIRST RESPONSE
Connection StylePLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
Specification/standard Data88044-AN917 GOVERNMENT STANDARD
Leg Length1.781 INCHES MINIMUM AND 1.781 INCHES MINIMUM AND 1.875 INCHES MAXIMUM ALL ENDS1.875 INCHES MAXIMUM ALL ENDS IN
Maximum Operating Temp-65.0 FAHRENHEIT SECOND RESPONSE-65.0 FAHRENHEIT SECOND RESPONSE DEGF
Media for Which DesignedOXYGEN, GASEOUS SECOND RESPONSE
MaterialSTEEL COMP 347 OVERALL
Nominal Thread Size0.250 INCHES ALL ENDS0.250 INCHES ALL ENDS IN
Thread Series DesignatorANPT ALL ENDS
Surface TreatmentPASSIVATE OVERALL
Maximum Operating Temp225.0 FAHRENHEIT FIRST RESPONSE225.0 FAHRENHEIT FIRST RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
Surface Treatment Document and ClassificationMIL-F-14072,E30,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OR QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-541-2745AS4857J02 INTERCHANGEABLE
Tee,pipe
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AN917-2S Collins Engineering Corp (USA)
AN917-2S Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA)
AN917-2S Aerofit, Llc (USA)
AN917-2S Faber Enterprises, Inc. Div Faber Enterprise Inc (USA)
AN917-2S Precision Form Rivet Inc (USA)
AN917-2S Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
AS4857S02 Society of Automotive Engineers Inc (USA)
AN917-2S Microdot Scientific Development Center (USA)
AN917-2S Crown Fitting Co Inc (USA)
AS4842 Sae International Dba Sae International (USA)
AS4857S02 PRIMARY Sae International Dba Sae International (USA)
AN917-2S Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN917-2S Hydro-Fitting Manufacturing Corporation (USA)
AS4842 Society of Automotive Engineers Inc (USA)
SAE-AS4842 Sae International Dba Sae International (USA)
Related Parts
4730-00-541-2745INTERCHANGEABLE
TEE,PIPE
AS4857J02

Frequently Asked Questions

What is NSN 4730-00-432-9638?

NSN 4730-00-432-9638 is a Tee,pipe, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-432-9638?

NSN 4730-00-432-9638 has 15 cross-referenced part numbers: AN917-2S (Collins Engineering Corp), AN917-2S (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), AN917-2S (Aerofit, Llc), AN917-2S (Faber Enterprises, Inc. Div Faber Enterprise Inc), AN917-2S (Precision Form Rivet Inc) and 10 more.

What NSN replaces 4730-00-432-9638?

There is 1 known substitute for 4730-00-432-9638: 4730-00-541-2745. Verify interchangeability with system specifications before substitution.

What are the specifications of AS4857S02?

Key specifications for AS4857S02: Media for Which Designed: OXYGEN, GASEOUS SECOND RESPONSEFLUID FIRST RESPONSE; Connection Style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS; End Item Identification: AIRCRAFT APPLICATIONAIRCRAFT APPLICATION; Specification/standard Data: 88044-AN917 GOVERNMENT STANDARD. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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