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Technical Data Sheet
PartsTable / MRO / 02938
02938 ✓ 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 CAM FOLLOWER,RIBBON is a the manufacturer industrial component. Key specifications include end_item_identification: TELETYPEWRITER,TT-297/UG, general_characteristics_item_description: MATERIAL 4130 STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-882-0321, 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→ 02938
NSN: 5310-00-882-0321
FSC: 5310
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
end_item_identificationTELETYPEWRITER,TT-297/UG
general_characteristics_item_descriptionMATERIAL 4130 STEEL
NSN5310-00-882-0321
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 02938 · 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
•
MATERIAL THICKNESS: 0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: KEY
•
MATERIAL: STEEL COMP 302 OVERALL
•
OUTSIDE DIAMETER: 0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
INTERNAL STRAIGHT KEY WIDTH: 0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.014 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORKEY
MATERIALSTEEL COMP 302 OVERALL
OUTSIDE DIAMETER0.390 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
INTERNAL STRAIGHT KEY WIDTH0.059 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
INTERNAL KEY QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
02938Interchangeable
interchangeable cross-reference
interchangeable
2938Interchangeable
interchangeable cross-reference
interchangeable
CYRD627Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 02938?
02938 is a CAM FOLLOWER,RIBBON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 02938?
There are 3 known substitutes for 02938: 02938, 2938, CYRD627. Substitute compatibility should be verified for your specific system.
What is the NSN for 02938?
02938 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-882-0321. 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