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PartsTable / COMPONENT / 19168PCA2234
19168PCA2234 ✓ 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,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.188 INCHES NOMINAL IN, overall_length: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, shank_diameter: 0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, first_end_style: SQUARE, hardness_rating: 52.1 ROCKWELL C MINIMUM AND 61.8 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-286-4907, 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
19168PCA2234
NSN: 5315-00-286-4907
FSC: 5315
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.188 INCHES NOMINAL IN
overall_length0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
shank_diameter0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating52.1 ROCKWELL C MINIMUM AND 61.8 ROCKWELL C MAXIMUM OVERALL
style_designatorSHOULDER
shoulder_diameter0.677 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_shank_length0.188 INCHES NOMINAL IN
second_shank_diameter0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-286-4907
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 19168PCA2234 · 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
•
SHOULDER DIAMETER: 0.677 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
•
HARDNESS RATING: 52.1 ROCKWELL C MINIMUM AND 61.8 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL: STEEL OVERALL
•
SECOND SHANK LENGTH: 0.188 INCHES NOMINAL IN
•
SHANK LENGTH: 0.188 INCHES NOMINAL IN
•
SHANK DIAMETER: 0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.677 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
HARDNESS RATING52.1 ROCKWELL C MINIMUM AND 61.8 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIALSTEEL OVERALL
SECOND SHANK LENGTH0.188 INCHES NOMINAL IN
SHANK LENGTH0.188 INCHES NOMINAL IN
SHANK DIAMETER0.306 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
FIRST END STYLESQUARE
FIRST END LOCATIONBOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
S68085Interchangeable
interchangeable cross-reference
interchangeable
77C706611P001Interchangeable
interchangeable cross-reference
interchangeable
77C706611-P1Interchangeable
interchangeable cross-reference
interchangeable
9689Interchangeable
interchangeable cross-reference
interchangeable
96Interchangeable
interchangeable cross-reference
interchangeable
G73-73Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19168PCA2234?
19168PCA2234 is a PIN,SHOULDER,HEADLESS.
What parts can replace 19168PCA2234?
There are 22 known substitutes for 19168PCA2234: S68085, 77C706611P001, 77C706611-P1 and 19 more. Substitute compatibility should be verified for your specific system.
Is 19168PCA2234 still available?
19168PCA2234 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