PartsTable
Technical Data Sheet
51107S59-764PC177 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: COPPER ALLOY 377 OVERALL, leg_length: 1.031 INCHES NOMINAL THIRD END IN, seat_angle: 45.0 DEGREES SECOND END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (PIPE) THIRD END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-4202, 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
51107S59-764PC177
NSN: 4730-00-289-4202
FSC: 4730
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 377 OVERALL
leg_length1.031 INCHES NOMINAL THIRD END IN
seat_angle45.0 DEGREES SECOND END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (PIPE) THIRD END
nominal_thread_size0.438 INCHES FIRST END IN
thread_series_designatorUNF FIRST END
material_document_and_classificationQQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
NSN4730-00-289-4202
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 51107S59-764PC177 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
CONNECTION STYLE: PLAIN (PIPE) THIRD END
NOMINAL THREAD SIZE: 0.438 INCHES THIRD END IN
LEG LENGTH: 1.031 INCHES NOMINAL THIRD END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION STYLEPLAIN (PIPE) THIRD END
NOMINAL THREAD SIZE0.438 INCHES THIRD END IN
CONNECTION STYLEFLARED (TUBE) SECOND END
LEG LENGTH1.031 INCHES NOMINAL THIRD END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
THREAD CLASS2A FIRST END A
SEAT ANGLE45.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
B-701Interchangeable
interchangeable cross-reference
interchangeable
68C-6-2Interchangeable
interchangeable cross-reference
interchangeable
3536363Interchangeable
interchangeable cross-reference
interchangeable
B68X6X2Interchangeable
interchangeable cross-reference
interchangeable
648F1-2X1-4INInterchangeable
interchangeable cross-reference
interchangeable
51321-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51107S59-764PC177?
51107S59-764PC177 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 51107S59-764PC177?
There are 13 known substitutes for 51107S59-764PC177: B-701, 68C-6-2, 3536363 and 10 more. Substitute compatibility should be verified for your specific system.
Is 51107S59-764PC177 still available?
51107S59-764PC177 is currently cancelled.
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