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Technical Data Sheet
PartsTable / MRO / 120-34
120-34 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The BAR,T,TELETYPEWRITER is a the manufacturer industrial component. Key specifications include fsc_application_data: TELETYPE AND FACSIMILE EQUIPMENT, general_characteristics_item_description: STEEL; 2.626 IN. LG IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-020-4737, 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→ 120-34
NSN: 5310-00-020-4737
FSC: 5310
CAGE: 68505 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
general_characteristics_item_descriptionSTEEL; 2.626 IN. LG IN
NSN5310-00-020-4737
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120-34 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
THREAD CLASS2B
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED
MATERIALSTEEL OVERALL
NUT HEIGHT0.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
88606Interchangeable
interchangeable cross-reference
interchangeable
12034Interchangeable
interchangeable cross-reference
interchangeable
121-0-4IN 200 PSIInterchangeable
interchangeable cross-reference
interchangeable
404368Interchangeable
interchangeable cross-reference
interchangeable
602B-3-4 250 PSIInterchangeable
interchangeable cross-reference
interchangeable
C17B1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-34?
120-34 is a BAR,T,TELETYPEWRITER. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120-34?
There are 19 known substitutes for 120-34: 88606, 12034, 121-0-4IN 200 PSI and 16 more. Substitute compatibility should be verified for your specific system.
Is 120-34 still available?
120-34 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