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505301612 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

505301612: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, seat_angle: 12.2 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED INTERNAL TUBE ALL ENDS, connection_style: SWIVEL NUT INVERTED FLARE (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-312-3103, 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
505301612
NSN: 4730-01-312-3103
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72429 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
seat_angle12.2 DEGREES ALL ENDS
reducer_typeCONCENTRIC
thread_class3A ALL ENDS A
connection_typeTHREADED INTERNAL TUBE ALL ENDS
connection_styleSWIVEL NUT INVERTED FLARE (TUBE) ALL ENDS
special_featuresALTERNATE MATL TITANIUM
nominal_thread_size1.000 INCHES SECOND END IN
fsc_application_dataAIR REFUELING STORE,A-6,A-7 A
nominal_overall_length2.044 INCHES IN
thread_quantity_per_inch16 SECOND END
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) SECOND END
NSN4730-01-312-3103
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 505301612 · 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
•
FSC APPLICATION DATA: AIR REFUELING STORE,A-6,A-7 A
•
CONNECTION STYLE: SWIVEL NUT INVERTED FLARE (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.044 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.660 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 1.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAAIR REFUELING STORE,A-6,A-7 A
CONNECTION STYLESWIVEL NUT INVERTED FLARE (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH2.044 INCHES IN
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.660 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.874 INCHES FIRST END IN
NOMINAL THREAD SIZE1.250 INCHES FIRST END IN
NOMINAL THREAD SIZE1.000 INCHES SECOND END IN
SEAT ANGLE12.2 DEGREES 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 1
50530P-1612Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 505301612?
505301612 is a REDUCER,TUBE.
What parts can replace 505301612?
There is 1 known substitute for 505301612: 50530P-1612. Substitute compatibility should be verified for your specific system.
What is the NSN for 505301612?
505301612 is cataloged in the U.S. Government catalog under NSN 4730-01-312-3103. This indicates validated use in U.S. government and defense supply chains.
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