PartsTable
Technical Data Sheet
BK12989 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_angle: 45.0 DEGREES, leg_length: 0.812 INCHES NOMINAL FIRST END IN, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (HOSE) SECOND END, nominal_thread_size: 0.375 INCHES FIRST END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-8268, 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
BK12989
NSN: 4730-00-277-8268
FSC: 4730
CAGE: 14892 — BENDIX CORP THE BRAKE AND STEERING DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_angle45.0 DEGREES
leg_length0.812 INCHES NOMINAL FIRST END IN
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (HOSE) SECOND END
nominal_thread_size0.375 INCHES FIRST END IN
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated0.375 INCHES FIRST END IN
nominal_inside_diameter_hose_accommodated0.500 INCHES SECOND END IN
NSN4730-00-277-8268
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: BK12989 · 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: 1.281 INCHES NOMINAL SECOND END IN
MATERIAL: COPPER ALLOY OVERALL
CONNECTION STYLE: PLAIN (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.281 INCHES NOMINAL SECOND END IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION STYLEPLAIN (HOSE) SECOND END
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES SECOND END IN
THREAD SERIES DESIGNATORNPT FIRST END
LEG LENGTH0.812 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
10689Interchangeable
interchangeable cross-reference
interchangeable
RY95973Interchangeable
interchangeable cross-reference
interchangeable
SL7674PC44Interchangeable
interchangeable cross-reference
interchangeable
SL7774-35Interchangeable
interchangeable cross-reference
interchangeable
13093Interchangeable
interchangeable cross-reference
interchangeable
13093-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BK12989?
BK12989 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace BK12989?
There are 17 known substitutes for BK12989: 10689, RY95973, SL7674PC44 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BK12989?
BK12989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-8268. This indicates validated use in U.S. government and defense supply chains.
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