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3307309-1 — CROSS,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3307309-1: CROSS,TUBE.

The CROSS,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.410 INCHES NOMINAL THIRD END IN, connection_type: UNTHREADED EXTERNAL TUBE ALL ENDS, connection_style: INSERT (PIPE) ALL ENDS, special_features: CONFORM TO LITTON INSTRUMENTS AND LIFE SUPPORT DIV. MANF.

QUALITY STANDARD ST1637803, end_item_identification: F16 AIRCRAFT. This part is cataloged in the U.S. Government catalog under NSN 4730-01-363-6790, 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
3307309-1
NSN: 4730-01-363-6790
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.410 INCHES NOMINAL THIRD END IN
connection_typeUNTHREADED EXTERNAL TUBE ALL ENDS
connection_styleINSERT (PIPE) ALL ENDS
special_featuresCONFORM TO LITTON INSTRUMENTS AND LIFE SUPPORT DIV. MANF. QUALITY STANDARD ST1637803
end_item_identificationF16 AIRCRAFT
media_for_which_designedAERONAUTICAL FLUID SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated0.152 INCHES ALL ENDS IN
NSN4730-01-363-6790
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3307309-1 · 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: INSERT (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.152 INCHES ALL ENDS IN
•
LEG LENGTH: 0.440 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEINSERT (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.152 INCHES ALL ENDS IN
LEG LENGTH0.440 INCHES NOMINAL FIRST END IN
LEG LENGTH0.440 INCHES NOMINAL SECOND END IN
LEG LENGTH0.410 INCHES NOMINAL FOURTH END IN
LEG LENGTH0.410 INCHES NOMINAL THIRD END IN
SPECIAL FEATURESCONFORM TO LITTON INSTRUMENTS AND LIFE SUPPORT DIV. MANF. QUALITY STANDARD ST1637803
MEDIA FOR WHICH DESIGNEDAERONAUTICAL FLUID SINGLE RESPONSE
END ITEM IDENTIFICATIONF16 AIRCRAFT
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 1
3307309Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3307309-1?
3307309-1 is a CROSS,TUBE.
What parts can replace 3307309-1?
There is 1 known substitute for 3307309-1: 3307309. Substitute compatibility should be verified for your specific system.
What is the NSN for 3307309-1?
3307309-1 is cataloged in the U.S. Government catalog under NSN 4730-01-363-6790. This indicates validated use in U.S. government and defense supply chains.
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