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Technical Data Sheet
PartsTable / MRO / SC-B-69640
SC-B-69640 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

The BAR,SELECTOR,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include end_item_identification: TT-173A/TG A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-356-3340, 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
MRO→ MRO_GENERAL→ SC-B-69640
NSN: 5815-00-356-3340
FSC: 5815
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
end_item_identificationTT-173A/TG A
NSN5815-00-356-3340
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BAR,SELECTOR,TELETYPEWRITER TITLE COMPONENT PN SC-B-69640 MFR BAR,SELECTOR,TELETYPEW
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL STEEL 1095,FINISH HEAT TREATED ROCKWELL C 45-50 PHOSPHATE COAT 0.060 IN. THK,2.250 IN. LG,0.188 IN. W O/A,ONE EDGE SQ W/0.078 IN. W BY 0.031 IN. DEEP NOTCH,OTHER EDGE TAPERED 80 DEG W/NOTCH ONE END AND TWO 0.062 IN. W BY 0.062 IN. DEEP NOTCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONTT-173A/TG A
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL STEEL 1095,FINISH HEAT TREATED ROCKWELL C 45-50 PHOSPHATE COAT 0.060 IN. THK,2.250 IN. LG,0.188 IN. W O/A,ONE EDGE SQ W/0.078 IN. W BY 0.031 IN. DEEP NOTCH,OTHER EDGE TAPERED 80 DEG W/NOTCH ONE END AND TWO 0.062 IN. W BY 0.062 IN. DEEP NOTCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
BRG3Interchangeable
interchangeable cross-reference
interchangeable
R455-6Interchangeable
interchangeable cross-reference
interchangeable
JMS1KDD7FS60171Interchangeable
interchangeable cross-reference
interchangeable
WWP521Interchangeable
interchangeable cross-reference
interchangeable
65B3-4Interchangeable
interchangeable cross-reference
interchangeable
4730PL0896783Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-B-69640?
SC-B-69640 is a BAR,SELECTOR,TELETYPEWRITER. It is classified as a MRO (MRO_GENERAL).
What parts can replace SC-B-69640?
There are 20 known substitutes for SC-B-69640: BRG3, R455-6, JMS1KDD7FS60171 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SC-B-69640?
SC-B-69640 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-356-3340. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026