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Technical Data Sheet
10991 ✓ 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

OSCILLATOR,NONCRYSTAL CONTROLLED. Key specifications include diameter: 0.048 INCHES NOMINAL STOCK IN, material: STEEL, body_height: 0.440 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_length: 0.266 INCHES NOMINAL IN, first_leg_angle: 90.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-072-2096, 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
10991
NSN: 5120-00-072-2096
FSC: 5120
CAGE: 98889 — AEROCONTROLEX GROUP, INC. DIV TALLEY ACTUATORS (USA)
SPECIFICATIONS
diameter0.048 INCHES NOMINAL STOCK IN
materialSTEEL
body_height0.440 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length0.266 INCHES NOMINAL IN
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width1.500 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
terminal_length1.000 INCHES MINIMUM IN
first_leg_length1.500 INCHES NOMINAL IN
frequency_rating12.0 KILOHERTZ NOMINAL SINGLE COMPONENT
NSN5120-00-072-2096
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OSCILLATOR,NONCRYSTAL CONTROLLED TITLE COMPONENT PN 10991 MFR OSCILLATOR,NONCRYSTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
RRC271Interchangeable
interchangeable cross-reference
interchangeable
10991Interchangeable
interchangeable cross-reference
interchangeable
L882-1AInterchangeable
interchangeable cross-reference
interchangeable
4B8761Interchangeable
interchangeable cross-reference
interchangeable
714267Interchangeable
interchangeable cross-reference
interchangeable
5036-088Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10991?
10991 is a OSCILLATOR,NONCRYSTAL CONTROLLED.
What parts can replace 10991?
There are 15 known substitutes for 10991: RRC271, 10991, L882-1A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10991?
10991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-072-2096. This indicates validated use in U.S. government and defense supply chains.
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