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LA251G — ATTENUATOR,VARIABLE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

LA251G: ATTENUATOR,VARIABLE.

The ATTENUATOR,VARIABLE is a the manufacturer industrial component. Key specifications include body_style: CYLINDRICAL W/REAR TERMINALS, shaft_type: ROUND, body_length: 2.063 INCHES NOMINAL IN, shaft_length: 0.938 INCHES NOMINAL IN, body_diameter: 2.125 INCHES NOMINAL IN, overall_length: 2.688 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-272-7451, 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
LA251G
NSN: 5985-00-272-7451
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 28057 — SHALLCO, INC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL W/REAR TERMINALS
shaft_typeROUND
body_length2.063 INCHES NOMINAL IN
shaft_length0.938 INCHES NOMINAL IN
body_diameter2.125 INCHES NOMINAL IN
overall_length2.688 INCHES MAXIMUM IN
shaft_diameter0.250 INCHES NOMINAL IN
overall_diameter2.250 INCHES NOMINAL IN
application_designAUDIO
step_position_quantity10
impedance_rating_in_ohms600.0 OUTPUT
mounting_thread_quantity32 PER INCH
NSN5985-00-272-7451
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ATTENUATOR,VARIABLE TITLE COMPONENT PN LA251G MFR ATTENUATOR,VARIABLE
KEY FEATURES
•
SHAFT TYPE: ROUND
•
IMPEDANCE RATING IN OHMS: 600.0 OUTPUT
•
BODY DIAMETER: 2.125 INCHES NOMINAL IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 THREADED HOLE(S)
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
BODY STYLE: CYLINDRICAL W/REAR TERMINALS
•
MOUNTING FACILITY PATTERN: TWO POSITION IN-LINE
•
ADJUSTMENT DEVICE TYPE AND QUANTITY: 1 SHAFT
TECHNICAL CHARACTERISTICS
SHAFT TYPEROUND
IMPEDANCE RATING IN OHMS600.0 OUTPUT
BODY DIAMETER2.125 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE(S)
SHAFT DIAMETER0.250 INCHES NOMINAL IN
BODY STYLECYLINDRICAL W/REAR TERMINALS
MOUNTING FACILITY PATTERNTWO POSITION IN-LINE
ADJUSTMENT DEVICE TYPE AND QUANTITY1 SHAFT
OVERALL DIAMETER2.250 INCHES NOMINAL IN
OVERALL ATTENUATION RANGE IN DECIBELS+0.0 TO 30.0
OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876
SUBSTITUTES & CROSS-REFERENCES 1
4135SPECIALReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LA251G?
LA251G is a ATTENUATOR,VARIABLE.
What parts can replace LA251G?
There is 1 known substitute for LA251G: 4135SPECIAL. Substitute compatibility should be verified for your specific system.
What is the NSN for LA251G?
LA251G is cataloged in the U.S. Government catalog under NSN 5985-00-272-7451. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.