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Technical Data Sheet
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37891 ✓ Verified by PartsTable
Lindy · 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

- Designed for home theatre and professional AV installations<br>- Compatible with all optical SPDIF equipped devices which use the TosLink / optical SPDIF interface<br>- High grade fibre optic core with bronze ferrule for the clearest, most accurate digital audio transmission<br>- Ultra flexible triple layer protective jacket for advanced protection<br>- Sturdy, gold plated metal connector body for added strength<br>- Fully quality tested<br>- 25 years warranty This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5977-00-033-5780, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
37891
NSN: 5977-00-033-5780
FSC: 5977
CAGE: 08219 — STONE SAFETY CORP (USA)
SPECIFICATIONS
materialPLASTIC MELAMINE AND GLASS FIBER
pattern_typeSWISS
usage_designUSED TO RETAIN BRUSHHOLDERS
overall_length6.250 INCHES NOMINAL IN
coarse_cut_typeNO. 0 CUT
overall_diameter5.250 INCHES NOMINAL IN
special_featuresNEEDLE TYPE
style_designatorKNIFE
overall_thickness0.375 INCHES NOMINAL IN
mounting_configurationCLAMP MTG
NSN5977-00-033-5780
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy RING,ELECTRICAL CONTACT BRUSH HO TITLE COMPONENT PN 37891 MFR Lindy RING,ELECTRICAL CONTAC
KEY FEATURES
•
MOUNTING CONFIGURATION: CLAMP MTG
•
MATERIAL: PLASTIC MELAMINE AND GLASS FIBER
•
USAGE DESIGN: USED TO RETAIN BRUSHHOLDERS
•
OVERALL DIAMETER: 5.250 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING CONFIGURATIONCLAMP MTG
MATERIALPLASTIC MELAMINE AND GLASS FIBER
USAGE DESIGNUSED TO RETAIN BRUSHHOLDERS
OVERALL DIAMETER5.250 INCHES NOMINAL IN
OVERALL THICKNESS0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
A-A-2446Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-331 TY18CL5Interchangeable
interchangeable cross-reference
interchangeable
37891Interchangeable
interchangeable cross-reference
interchangeable
M126Interchangeable
interchangeable cross-reference
interchangeable
8989Interchangeable
interchangeable cross-reference
interchangeable
W-984-RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37891?
37891 is a RING,ELECTRICAL CONTACT BRUSH HO manufactured by Lindy.
What parts can replace 37891?
There are 6 known substitutes for 37891: A-A-2446, GGG-F-331 TY18CL5, 37891 and 3 more. Substitute compatibility should be verified for your specific system.
Is 37891 still available?
37891 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026