PartsTable
Technical Data Sheet
617735 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.470 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-451-6020, 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
617735
NSN: 4730-00-451-6020
FSC: 4730
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle45.0 DEGREES
leg_length1.470 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_featuresSUPPORTS CLARK MODEL 290M; TRACTOR,WHEELED,IND., DIESEL DRIVEN; MED DBP, NSN 2420000889384, W/ROPES NSN 2420010590090 W
surface_treatmentCADMIUM OVERALL
nominal_thread_size1.312 INCHES ALL ENDS IN
thread_quantity_per_inch12 ALL ENDS
thread_series_designatorUN ALL ENDS
NSN4730-00-451-6020
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 617735 · 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
LEG LENGTH: 1.470 INCHES NOMINAL FIRST END IN
MATERIAL: STEEL OVERALL
THREAD QUANTITY PER INCH: 12 ALL ENDS
FURNISHED ITEMS AND QUANTITY: 1 PREFORMED PACKING
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.000 INCHES FIRST END IN
SEAT ANGLE: 37.0 DEGREES FIRST END
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE: 1.312 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.470 INCHES NOMINAL FIRST END IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH12 ALL ENDS
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE1.312 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION STYLEFLARED (TUBE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
44004Interchangeable
interchangeable cross-reference
interchangeable
40D1878-5Interchangeable
interchangeable cross-reference
interchangeable
01071Interchangeable
interchangeable cross-reference
interchangeable
16V5BX-BInterchangeable
interchangeable cross-reference
interchangeable
3503-16-16BInterchangeable
interchangeable cross-reference
interchangeable
10504078Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 617735?
617735 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 617735?
There are 14 known substitutes for 617735: 44004, 40D1878-5, 01071 and 11 more. Substitute compatibility should be verified for your specific system.
Is 617735 still available?
617735 is currently cancelled.
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