PartsTable
Technical Data Sheet
Download PDF

4PHS311-20 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4PHS311-20: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, leg_length: 2.606 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, special_features: CRYOFIT END CONNECTIONS, 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 4730-01-366-9996, 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
4PHS311-20
NSN: 4730-01-366-9996
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0S664 — ADVANCED METAL COMPONENTS INC (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
leg_length2.606 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
special_featuresCRYOFIT END CONNECTIONS
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp275.0 FAHRENHEIT SECOND RESPONSE DEGF
end_item_identificationAIRCRAFT; B-2 BOMBER
media_for_which_designedAERONAUTICAL FLUID SINGLE RESPONSE
material_document_and_classificationAMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated1.250 INCHES ALL ENDS IN
tubing_wall_nominal_thickness_for_which_designed0.193 INCHES ALL ENDS IN
NSN4730-01-366-9996
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4PHS311-20 · 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
•
CONNECTION STYLE: PLAIN (TUBE) ALL ENDS
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.193 INCHES ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 2.606 INCHES NOMINAL ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SECOND RESPONSE DEGF
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) ALL ENDS
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.193 INCHES ALL ENDS IN
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.250 INCHES ALL ENDS IN
OPERATING PRESSURE4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH2.606 INCHES NOMINAL ALL ENDS IN
MAXIMUM OPERATING TEMP275.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE DEGF
SPECIAL FEATURESCRYOFIT END CONNECTIONS
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 4
AP3800T20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AFP1861T202020Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AAC4311-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
07A347-20-20-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 4PHS311-20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4PHS311-20?
4PHS311-20 is a TEE,TUBE.
What parts can replace 4PHS311-20?
There are 4 known substitutes for 4PHS311-20: AP3800T20, AFP1861T202020, AAC4311-20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4PHS311-20?
4PHS311-20 is cataloged in the U.S. Government catalog under NSN 4730-01-366-9996. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4PHS311-20