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T84B30A — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

T84B30A: WASHER,KEY.

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 part is cataloged in the U.S.

Government catalog 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 — Nuts and Washers
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
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.383 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.599 INCHES MINIMUM AND 0.619 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
•
MATERIAL THICKNESS: 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 1
•
EXTERNAL PREBENT KEY WIDTH: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
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
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
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
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 5
R20722Reference document
Same NSN cross-reference
Reference document — Secondary reference
GPW7119Reference document
Same NSN cross-reference
Reference document — Secondary reference
194264Reference document
Ef-XN980
Reference document — Secondary reference
19424Reference document
Same NSN cross-reference
Reference document — Secondary reference
SW108Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T84B30A?
T84B30A is a WASHER,KEY.
What parts can replace T84B30A?
There are 5 known substitutes for T84B30A: R20722, GPW7119, 194264 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T84B30A?
T84B30A is cataloged in the U.S. Government catalog under NSN 5310-00-360-8170. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.