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377 7/16-20 UNF — Technical Data Sheet

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— · 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

CAPACITOR,VARIABLE,CERAMIC DIELE. Key specifications include material: STEEL OVERALL, thickness: 0.438 INCHES NOMINAL IN, style_designator: SOLID HEXAGON NUT, thread_direction: RIGHT-HAND, width_across_flats: 0.875 INCHES NOMINAL IN, thread_pitch_diameters: +0.3975 TO 0.4050 INCHES IN. This part is cataloged in the Federal Logistics Information System under NSN 5136-00-237-8273, 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
377 7/16-20 UNF
NSN: 5136-00-237-8273
FSC: 5136
CAGE: 60NQ9 — GREENFIELD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.438 INCHES NOMINAL IN
style_designatorSOLID HEXAGON NUT
thread_directionRIGHT-HAND
width_across_flats0.875 INCHES NOMINAL IN
thread_pitch_diameters+0.3975 TO 0.4050 INCHES IN
thread_size_and_series/type_designator0.438-20 UNF
NSN5136-00-237-8273
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,VARIABLE,CERAMIC DIELE TITLE COMPONENT PN 377 7/16-20 UNF MFR CAPACITOR,VARIABLE,CER
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID HEXAGON NUT
•
MATERIAL: STEEL OVERALL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.438-20 UNF
•
THICKNESS: 0.438 INCHES NOMINAL IN
•
THREAD PITCH DIAMETERS: +0.3975 TO 0.4050 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
STYLE DESIGNATORSOLID HEXAGON NUT
MATERIALSTEEL OVERALL
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.438-20 UNF
THICKNESS0.438 INCHES NOMINAL IN
THREAD PITCH DIAMETERS+0.3975 TO 0.4050 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
24126InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S445-33-211InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
11922InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RE49F172InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M358InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9975738InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 377 7/16-20 UNF?
377 7/16-20 UNF is a CAPACITOR,VARIABLE,CERAMIC DIELE.
What parts can replace 377 7/16-20 UNF?
There are 25 known substitutes for 377 7/16-20 UNF: 24126, S445-33-211, 11922 and 22 more. Substitute compatibility should be verified for your specific system.
Is 377 7/16-20 UNF still available?
377 7/16-20 UNF is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026