PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 20-0216
20-0216 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OR STEEL COMP 4140 OVERALL, nut_style: HEXAGON, thread_class: 3B, thread_series: UNF, overall_height: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, hardness_rating: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-514-8821, 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
20-0216
NSN: 5310-00-514-8821
FSC: 5310
CAGE: 81401 — CONTINENTAL BUILT WRIGHT ENGINE PARTS (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OR STEEL COMP 4140 OVERALL
nut_styleHEXAGON
thread_class3B
thread_seriesUNF
overall_height0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
hardness_rating19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
width_across_flats0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
NSN5310-00-514-8821
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-0216 · 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
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
•
WASHER THICKNESS: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
•
THREAD SERIES: UNF
•
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
WIDTH ACROSS FLATS: 0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
WASHER THICKNESS0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE0.312 INCHES IN
WIDTH ACROSS FLATS0.493 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
NUT STYLEHEXAGON
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
200216Interchangeable
interchangeable cross-reference
interchangeable
3035100Interchangeable
interchangeable cross-reference
interchangeable
11000 PC26Interchangeable
interchangeable cross-reference
interchangeable
20-1017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-0216?
20-0216 is a RELAY,ELECTROMAGNETIC.
What parts can replace 20-0216?
There are 4 known substitutes for 20-0216: 200216, 3035100, 11000 PC26 and 1 more. Substitute compatibility should be verified for your specific system.
Is 20-0216 still available?
20-0216 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