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ST7M220 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST7M220: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, leg_length: 0.938 INCHES MINIMUM AND 0.955 INCHES MAXIMUM FIRST END IN, seat_angle: 8.5 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: INVERTED FLARE (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-009-0364, 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
ST7M220
NSN: 4730-00-009-0364
NIINs: 000090364, 010170800, 010238354, 010281772, 011789647
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
leg_length0.938 INCHES MINIMUM AND 0.955 INCHES MAXIMUM FIRST END IN
seat_angle8.5 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleINVERTED FLARE (TUBE) ALL ENDS
special_featuresFLARED ENDS PLASTIC COATED
nominal_thread_size0.719 INCHES THIRD END IN
media_for_which_designedHYDRAULIC FLUID FIRST RESPONSE
thread_quantity_per_inch20 ALL ENDS
thread_series_designatorUNJS ALL ENDS
material_document_and_classificationAMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
NSN4730-00-009-0364
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST7M220 · 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: INVERTED FLARE (TUBE) ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 6AL-4V RES 143 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 0.809 INCHES MINIMUM AND 0.839 INCHES MAXIMUM ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.438 INCHES THIRD END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEINVERTED FLARE (TUBE) ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION6AL-4V RES 143 MFR REF SINGLE MATERIAL RESPONSE OVERALL V
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH0.809 INCHES MINIMUM AND 0.839 INCHES MAXIMUM ALL ENDS IN
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
NOMINAL THREAD SIZE0.718 INCHES SECOND END IN
NOMINAL THREAD SIZE0.718 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 5
GT515AY08-08-04Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
AE16171-4-8-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AP260T080804Reference document
Same NSN cross-reference
Reference document — Secondary reference
R45111T080804Reference document
Same NSN cross-reference
Reference document — Secondary reference
R45111T04-08-08Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is ST7M220?
ST7M220 is a TEE,TUBE.
What parts can replace ST7M220?
There are 5 known substitutes for ST7M220: GT515AY08-08-04, AE16171-4-8-8, AP260T080804 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M220?
ST7M220 is cataloged in the U.S. Government catalog under NSN 4730-00-009-0364. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.