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PartsTable / COMPONENT / T84B30A
T84B30A ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, material_thickness: 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN, external_prebent_key_width: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, external_prebent_key_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, overall_distance_including_keys: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM 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 5310-00-360-8170, 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
T84B30A
NSN: 5310-00-360-8170
FSC: 5310
CAGE: 08018 — BORG-WARNER CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
material_thickness0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
external_key_quantity1
external_prebent_key_width0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
external_prebent_key_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
overall_distance_including_keys1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
distance_from_centerline_to_top_of_internal_key0.383 INCHES NOMINAL IN
distance_from_centerline_to_inside_of_prebent_key0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
NSN5310-00-360-8170
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: T84B30A · 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
•
EXTERNAL PREBENT KEY WIDTH: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 1
•
EXTERNAL PREBENT KEY LENGTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.383 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL PREBENT KEY WIDTH0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
MATERIAL THICKNESS0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY1
EXTERNAL PREBENT KEY LENGTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.383 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
194-24Interchangeable
interchangeable cross-reference
interchangeable
R20722Interchangeable
interchangeable cross-reference
interchangeable
D20722Interchangeable
interchangeable cross-reference
interchangeable
32-017225Interchangeable
interchangeable cross-reference
interchangeable
SW108Interchangeable
interchangeable cross-reference
interchangeable
53436F4XInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T84B30A?
T84B30A is a WASHER,KEY.
What parts can replace T84B30A?
There are 12 known substitutes for T84B30A: 194-24, R20722, D20722 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T84B30A?
T84B30A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-360-8170. 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