PartsTable
Technical Data Sheet
66449 ✓ 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

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include material: PAPER AND RUBBER SYNTHETIC OVERALL, block_type: REGULAR, leg_length: 0.781 INCHES NOMINAL THIRD END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-1564, 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
66449
NSN: 4730-00-287-1564
FSC: 4730
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialPAPER AND RUBBER SYNTHETIC OVERALL
block_typeREGULAR
leg_length0.781 INCHES NOMINAL THIRD END IN
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
hole_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.000 INCHES NOMINAL IN
pole_quantity2
aperture_width3.250 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
aperture_length4.250 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST END
NSN4730-00-287-1564
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 66449 · 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: 0.906 INCHES NOMINAL SECOND END IN
SEAT ANGLE: 45.0 DEGREES FIRST END
THREAD SERIES DESIGNATOR: UNF FIRST END
NOMINAL THREAD SIZE: 0.125 INCHES THIRD END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
CONNECTION STYLE: PLAIN (PIPE) THIRD END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.906 INCHES NOMINAL SECOND END IN
SEAT ANGLE45.0 DEGREES FIRST END
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.125 INCHES THIRD END IN
LEG LENGTH0.781 INCHES NOMINAL THIRD END IN
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION STYLEPLAIN (PIPE) THIRD END
LEG LENGTH0.906 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
THREAD CLASS2A FIRST END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
F45Interchangeable
interchangeable cross-reference
interchangeable
BS5-1611PC714Interchangeable
interchangeable cross-reference
interchangeable
BS5-1415PC714Interchangeable
interchangeable cross-reference
interchangeable
BS1313PC714Interchangeable
interchangeable cross-reference
interchangeable
66449Interchangeable
interchangeable cross-reference
interchangeable
118759Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66449?
66449 is a TERMINAL JUNCTION BLOCK,SECTIONA.
What parts can replace 66449?
There are 19 known substitutes for 66449: F45, BS5-1611PC714, BS5-1415PC714 and 16 more. Substitute compatibility should be verified for your specific system.
Is 66449 still available?
66449 is currently cancelled.
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