PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3721AAmplifier,magnetic

Spang & Company Dba Magnetics Division · NSN 5996-00-559-9718 · FSC 5996 · Amplifier,radio Frequency
Verified by PartsTable
NSN 5996-00-559-9718 — this item is cataloged by the U.S. Government under National Stock Number 5996-00-559-9718. Primary manufacturer part number: 3721A.
Features
  • Amplifier,magnetic — FSC 5996
  • 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
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Amplifier,magnetic, cataloged under National Stock Number 5996-00-559-9718, is classified within Federal Supply Class 5996 (Amplifier,radio Frequency) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spang & Company Dba Magnetics Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5996-00-559-9718
Primary Part Number3721A
Item NameAmplifier,magnetic
FSC / FSG5996 / 59 — Amplifier,radio Frequency
ManufacturerSpang & Company Dba Magnetics Division
StatusACTIVE
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
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
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-203-4812 INTERCHANGEABLE
Wrench,open End
3455-00-240-4846 INTERCHANGEABLE
Blade,band Saw,metal Cutting
5360-00-308-755128032 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation
5950-00-496-1518 INTERCHANGEABLE
Coil,radio Frequency
6750-01-426-9540 INTERCHANGEABLE
Chemical Kit,photographic Color
5940-01-433-3417RB1337 INTERCHANGEABLE
Terminal,lug
Thomas and Betts Corp Electronics Group
4730-01-483-2741 INTERCHANGEABLE
Tee,pipe
6145-01-542-69322803/2 INTERCHANGEABLE
Cable,power,electrical
Belden, Inc.
Cross-Reference Index
Part NumberManufacturer
28032 Hamilton Sundstrand Corporation (USA)
3721A PRIMARY Spang & Company Dba Magnetics Division (USA)
28032 Spang & Company Dba Magnetics Division (USA)
Related Parts
5120-00-203-4812INTERCHANGEABLE
WRENCH,OPEN END
3455-00-240-4846INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
5360-00-308-7551INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
28032
5950-00-496-1518INTERCHANGEABLE
COIL,RADIO FREQUENCY
6750-01-426-9540INTERCHANGEABLE
CHEMICAL KIT,PHOTOGRAPHIC COLOR
5940-01-433-3417INTERCHANGEABLE
TERMINAL,LUG
RB1337
4730-01-483-2741INTERCHANGEABLE
TEE,PIPE
6145-01-542-6932INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
2803/2

Frequently Asked Questions

What is NSN 5996-00-559-9718?

NSN 5996-00-559-9718 is a Amplifier,magnetic, manufactured by Spang & Company Dba Magnetics Division, classified under FSC 5996 (Amplifier,radio Frequency). Status: active.

What are the part numbers for NSN 5996-00-559-9718?

NSN 5996-00-559-9718 has 3 cross-referenced part numbers: 28032 (Hamilton Sundstrand Corporation), 3721A (Spang & Company Dba Magnetics Division), 28032 (Spang & Company Dba Magnetics Division).

What NSN replaces 5996-00-559-9718?

There are 8 known substitutes for 5996-00-559-9718: 5120-00-203-4812, 3455-00-240-4846, 5360-00-308-7551 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3721A?

Key specifications for 3721A: 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. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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