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Technical Data Sheet
56821 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include unit_type: MOUNTED, body_depth: 3.000 INCHES MAXIMUM IN, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, body_width: 1.625 INCHES NOMINAL IN, shell_type: SOLID, body_height: 2.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6645-00-880-4893, 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
56821
NSN: 6645-00-880-4893
FSC: 6645
CAGE: 14907 — CRAMER CO DIVISION OF CHESTNUT GROUP INC (USA)
SPECIFICATIONS
unit_typeMOUNTED
body_depth3.000 INCHES MAXIMUM IN
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
body_width1.625 INCHES NOMINAL IN
shell_typeSOLID
body_height2.375 INCHES NOMINAL IN
body_length1.625 INCHES NOMINAL IN
current_typeAC
thread_class2A A
body_diameter2.625 INCHES MAXIMUM IN
marking_colorWHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS
mounting_typePANEL
NSN6645-00-880-4893
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 56821 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
TERMINAL TYPE: SOLDER LUG OR STUD
MOVEMENT TYPE: ELECTRICAL
MOUNTING CONFIGURATION: THREE 0.150 IN. DIA MTG HOLES ON 1.580 IN. RADIUS SPACED 120 DEG APART IN
HERMETIC PROTECTION: NOT PROVIDED
ELECTRICAL MOVEMENT TYPE: SYNCHRONOUS MOTOR
OPERATING FREQUENCY: 60.0 HERTZ NOMINAL
MARKING COLOR: WHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS
MEASUREMENT UNIT: HOURS
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPESOLDER LUG OR STUD
MOVEMENT TYPEELECTRICAL
MOUNTING CONFIGURATIONTHREE 0.150 IN. DIA MTG HOLES ON 1.580 IN. RADIUS SPACED 120 DEG APART IN
HERMETIC PROTECTIONNOT PROVIDED
ELECTRICAL MOVEMENT TYPESYNCHRONOUS MOTOR
OPERATING FREQUENCY60.0 HERTZ NOMINAL
MARKING COLORWHITE NUMERALS FOR HOURS,BLACK NUMERALS FOR TENTHS
MEASUREMENT UNITHOURS
UNIT TYPEMOUNTED
BACKGROUND COLORBLACK BACKGROUND ON HR WHEELS,WHITE BACKGROUND ON TENTHS WHEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
M3971/1-5-SInterchangeable
interchangeable cross-reference
interchangeable
M3971/1-5Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-3971EInterchangeable
interchangeable cross-reference
interchangeable
C2AInterchangeable
interchangeable cross-reference
interchangeable
M3971/2-1Interchangeable
interchangeable cross-reference
interchangeable
10N-G1-HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56821?
56821 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 56821?
There are 29 known substitutes for 56821: M3971/1-5-S, M3971/1-5, MIL-DTL-3971E and 26 more. Substitute compatibility should be verified for your specific system.
Is 56821 still available?
56821 is currently cancelled.
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