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PartsTable / COMPONENT / TCD0631-72581
TCD0631-72581 ✓ Verified by PartsTable
— · NUT WASHER
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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: OVAL, surface_treatment: ZINC OVERALL, pin_overall_length: 2.000 INCHES NOMINAL IN, pin_overall_diameter: 0.15250 INCHES MINIMUM AND 0.15375 INCHES MAXIMUM IN, first_end_outer_radius: 0.0156 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-448-3765, 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
TCD0631-72581
NSN: 5315-00-448-3765
FSC: 5315
CAGE: 59433 — AT AND T TELETYPE CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleOVAL
surface_treatmentZINC OVERALL
pin_overall_length2.000 INCHES NOMINAL IN
pin_overall_diameter0.15250 INCHES MINIMUM AND 0.15375 INCHES MAXIMUM IN
first_end_outer_radius0.0156 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-448-3765
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: TCD0631-72581 · 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: STEEL OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: OVAL
•
FIRST END OUTER RADIUS: 0.0156 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
PIN OVERALL LENGTH: 2.000 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.15250 INCHES MINIMUM AND 0.15375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLEOVAL
FIRST END OUTER RADIUS0.0156 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PIN OVERALL LENGTH2.000 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.15250 INCHES MINIMUM AND 0.15375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
34G7258Interchangeable
interchangeable cross-reference
interchangeable
72581Interchangeable
interchangeable cross-reference
interchangeable
29440Interchangeable
interchangeable cross-reference
interchangeable
SCB98205Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TCD0631-72581?
TCD0631-72581 is a PIN,STRAIGHT,HEADLESS.
What parts can replace TCD0631-72581?
There are 4 known substitutes for TCD0631-72581: 34G7258, 72581, 29440 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TCD0631-72581?
TCD0631-72581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-448-3765. 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