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Technical Data Sheet

AS85421/4T040404 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AS85421/4T040404: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY TEE, leg_length: 1.014 INCHES NOMINAL INLET IN, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: SWIVEL NUT, GASKET SEAL (TUBE) INLET, style_designator: TEE, operating_pressure: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-701-1345, 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
AS85421/4T040404
NSN: 4730-01-701-1345
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialTITANIUM ALLOY TEE
leg_length1.014 INCHES NOMINAL INLET IN
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_styleSWIVEL NUT, GASKET SEAL (TUBE) INLET
style_designatorTEE
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
media_for_which_designedAERONAUTICAL FLUID SINGLE RESPONSE
nominal_outside_diameter0.250 INCHES FIRST END IN
thread_quantity_per_inch24 ALL ENDS
thread_series_designatorUNJS FIRST END
nominal_width_across_flats0.500 INCHES CENTER BULKHEAD IN
specification/standard_data0U583-AS8542/4 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-01-701-1345
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS85421/4T040404 · 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
•
NOMINAL WIDTH ACROSS FLATS: 0.500 INCHES CENTER BULKHEAD IN
•
CONNECTION STYLE: GASKET SEAL (TUBE) SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: TEE
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS0.500 INCHES CENTER BULKHEAD IN
CONNECTION STYLEGASKET SEAL (TUBE) SECOND END
CONNECTION STYLEGASKET SEAL (TUBE) FIRST END
CONNECTION STYLESWIVEL NUT, GASKET SEAL (TUBE) INLET
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE INLET
STYLE DESIGNATORTEE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4928 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE TEE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 2
AS85421Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE AS85421/4T040404Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AS85421/4T040404?
AS85421/4T040404 is a TEE,TUBE.
What parts can replace AS85421/4T040404?
There are 2 known substitutes for AS85421/4T040404: AS85421, SAE AS85421/4T040404. Substitute compatibility should be verified for your specific system.
What is the NSN for AS85421/4T040404?
AS85421/4T040404 is cataloged in the U.S. Government catalog under NSN 4730-01-701-1345. This indicates validated use in U.S. government and defense supply chains.
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