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AS4857K03 — TEE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS4857K03: TEE,PIPE.

The TEE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, leg_length: 0.969 INCHES NOMINAL ALL ENDS IN, connection_style: PLAIN (PIPE) ALL ENDS, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.375 INCHES ALL ENDS IN, maximum_operating_temp: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-104-1981, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AS4857K03
NSN: 4730-00-104-1981
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
leg_length0.969 INCHES NOMINAL ALL ENDS IN
connection_stylePLAIN (PIPE) ALL ENDS
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.375 INCHES ALL ENDS IN
maximum_operating_temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorANPT ALL ENDS
specification/standard_data88044-AN917 GOVERNMENT STANDARD
surface_treatment_document_and_classificationMIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072,E300,TY 2 FED SPEC 2ND TREATMENT RESPONSE INSIDE
NSN4730-00-104-1981
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS4857K03 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072,E300,TY 2 FED SPEC 2ND TREATMENT RESPONSE INSIDE
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
LEG LENGTH: 0.969 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: 88044-AN917 GOVERNMENT STANDARD
•
MAXIMUM OPERATING TEMP: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072,E300,TY 2 FED SPEC 2ND TREATMENT RESPONSE INSIDE
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
LEG LENGTH0.969 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA88044-AN917 GOVERNMENT STANDARD
MAXIMUM OPERATING TEMP225.0 FAHRENHEIT SINGLE RESPONSE DEGF
SURFACE TREATMENTPASSIVATE OVERALL
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
MATERIALSTEEL COMP 316 OVERALL
THREAD SERIES DESIGNATORANPT ALL ENDS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 2
AN917-3KReference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS4842Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS4857K03?
AS4857K03 is a TEE,PIPE.
What parts can replace AS4857K03?
There are 2 known substitutes for AS4857K03: AN917-3K, SAE-AS4842. Substitute compatibility should be verified for your specific system.
What is the NSN for AS4857K03?
AS4857K03 is cataloged in the U.S. Government catalog under NSN 4730-00-104-1981. This indicates validated use in U.S. government and defense supply chains.
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