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Technical Data Sheet
3721A ✓ 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 3721A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5996-00-559-9718, 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
3721A
NSN: 5996-00-559-9718
FSC: 5996 — AMPLIFIER,RADIO FREQUENCY
CAGE: 90797 — SPANG & COMPANY DBA MAGNETICS DIVISION (USA)
SPECIFICATIONS
Part Number3721A
NSN5996-00-559-9718
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 3721A TITLE COMPONENT PN 3721A MFR 3721A
KEY FEATURES
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY HEIGHT: 3.000 INCHES MAXIMUM IN
INCLOSURE TYPE: FULLY INCLOSED
TERMINAL TYPE AND QUANTITY: 16 TURRET
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.164 INCHES SINGLE GROUP IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY HEIGHT3.000 INCHES MAXIMUM IN
INCLOSURE TYPEFULLY INCLOSED
OVERALL HEIGHT3.375 INCHES MAXIMUM IN
OVERALL WIDTH3.062 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY16 TURRET
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
28-032Interchangeable
interchangeable cross-reference
interchangeable
1432Interchangeable
interchangeable cross-reference
interchangeable
1032Interchangeable
interchangeable cross-reference
interchangeable
GGG-B-421 TY2ST2Interchangeable
interchangeable cross-reference
interchangeable
72-0895-047Interchangeable
interchangeable cross-reference
interchangeable
72-0895-030Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3721A?
3721A is a 3721A.
What parts can replace 3721A?
There are 16 known substitutes for 3721A: 28-032, 1432, 1032 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3721A?
3721A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5996-00-559-9718. This indicates validated use in U.S. government and defense supply chains.
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