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Technical Data Sheet
1251-0056 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: ALUMINUM, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLID, thread_class: 2A A, overall_width: 1.656 INCHES MAXIMUM IN, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-804-5136, 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
1251-0056
NSN: 5935-00-804-5136
FSC: 5935
CAGE: 1LQK8 — KEYSIGHT TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialALUMINUM
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLID
thread_class2A A
overall_width1.656 INCHES MAXIMUM IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_height1.656 INCHES MAXIMUM IN
overall_length0.955 INCHES NOMINAL IN
shell_materialALUMINUM ALLOY
first_leg_width1.500 INCHES NOMINAL IN
insert_materialRUBBER SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN5935-00-804-5136
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 1251-0056 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
MATING END QUANTITY: 1
CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-G-45204,TYPE 1,GRADE B MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1,GRADE B FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT MAXIMUM AC VOLTAGE RATING IN VOLTS: 500.0 SINGLE MATING END SINGLE CONTACT GROUPING
INSERT MATERIAL: RUBBER SINGLE MATING END
SHELL TYPE: SOLID
CONTACT POSITION ARRANGEMENT STYLE: 22-14 SINGLE MATING END
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
MATING END QUANTITY1
OVERALL HEIGHT1.656 INCHES MAXIMUM IN
CONTACT SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-G-45204,TYPE 1,GRADE B MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 1,GRADE B FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT MAXIMUM AC VOLTAGE RATING IN VOLTS500.0 SINGLE MATING END SINGLE CONTACT GROUPING
INSERT MATERIALRUBBER SINGLE MATING END
SHELL TYPESOLID
CONTACT POSITION ARRANGEMENT STYLE22-14 SINGLE MATING END
CONTACT MAXIMUM CURRENT RATING IN AMPS22.0 SINGLE MATING END SINGLE CONTACT GROUPING
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES GOLD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
26560010Interchangeable
interchangeable cross-reference
interchangeable
12593Interchangeable
interchangeable cross-reference
interchangeable
CH1947521Interchangeable
interchangeable cross-reference
interchangeable
1947521Interchangeable
interchangeable cross-reference
interchangeable
R0362GMQInterchangeable
interchangeable cross-reference
interchangeable
1922V460Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1251-0056?
1251-0056 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 1251-0056?
There are 10 known substitutes for 1251-0056: 26560010, 12593, CH1947521 and 7 more. Substitute compatibility should be verified for your specific system.
Is 1251-0056 still available?
1251-0056 is currently cancelled.
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