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Technical Data Sheet
1221-303 ✓ 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

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT SHAPE, body_length: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING, inclosure_type: FULLY INCLOSED, overall_length: 22.352 MILLIMETERS NOMINAL MM, inductance_type: FIXED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-111-9524, 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
1221-303
NSN: 5950-01-111-9524
FSC: 5950
CAGE: 15253 — LASELCO PACIFIC (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE
body_length0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
inclosure_typeFULLY INCLOSED
overall_length22.352 MILLIMETERS NOMINAL MM
inductance_typeFIXED
mounting_methodTERMINAL SINGLE GROUP
overall_diameter9.91 MILLIMETERS MAXIMUM MM
winding_quantity2 SINGLE COMPONENT
inductance_rating320.00 MILLIHENRIES MINIMUM AND 800.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
NSN5950-01-111-9524
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 1221-303 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
RELIABILITY INDICATOR: NOT ESTABLISHED
INDUCTANCE TYPE: FIXED
BODY LENGTH: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY: 4 PIN
INCLOSURE TYPE: FULLY INCLOSED
MOUNTING METHOD: TERMINAL SINGLE GROUP
INDUCTANCE RATING: 320.00 MILLIHENRIES MINIMUM AND 800.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
BODY OUTSIDE DIAMETER: 0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
INDUCTANCE TYPEFIXED
BODY LENGTH0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY4 PIN
INCLOSURE TYPEFULLY INCLOSED
MOUNTING METHODTERMINAL SINGLE GROUP
INDUCTANCE RATING320.00 MILLIHENRIES MINIMUM AND 800.00 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
BODY OUTSIDE DIAMETER0.750 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
WINDING QUANTITY2 SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5600-0002Interchangeable
interchangeable cross-reference
interchangeable
D101-00Interchangeable
interchangeable cross-reference
interchangeable
57872-5Interchangeable
interchangeable cross-reference
interchangeable
ND14747DInterchangeable
interchangeable cross-reference
interchangeable
N7709611201Interchangeable
interchangeable cross-reference
interchangeable
1221-303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1221-303?
1221-303 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 1221-303?
There are 6 known substitutes for 1221-303: 5600-0002, D101-00, 57872-5 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1221-303?
1221-303 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-111-9524. This indicates validated use in U.S. government and defense supply chains.
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