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Technical Data Sheet
PartsTable / COMPONENT / 142698
142698 ✓ 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 SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 0.460 INCHES NOMINAL IN, coil_quantity: 6-73/100, inside_diameter: 0.450 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-374-0836, 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
142698
NSN: 5310-00-374-0836
FSC: 5310
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter0.460 INCHES NOMINAL IN
coil_quantity6-73/100
inside_diameter0.450 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.650 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
accommodated_rod_diameter0.448 INCHES NOMINAL IN
spring_free_outside_diameter0.520 INCHES NOMINAL IN
NSN5310-00-374-0836
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 142698 · 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
•
WIDTH ACROSS FLATS: 4.875 INCHES NOMINAL IN
•
NUT STYLE: PLAIN, OCTAGON
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NUT HEIGHT: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 3.375 INCHES IN
•
THREAD QUANTITY PER INCH: 12
•
THREAD SERIES: UN
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS4.875 INCHES NOMINAL IN
NUT STYLEPLAIN, OCTAGON
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NUT HEIGHT0.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE3.375 INCHES IN
THREAD QUANTITY PER INCH12
THREAD SERIESUN
FEATURES PROVIDEDCASEHARDENED
BEARING SURFACE TYPEWASHER FACED
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
142698Interchangeable
interchangeable cross-reference
interchangeable
303445Interchangeable
interchangeable cross-reference
interchangeable
27200Interchangeable
interchangeable cross-reference
interchangeable
27200ST1MInterchangeable
interchangeable cross-reference
interchangeable
31TA20Interchangeable
Same NIIN cross-reference
interchangeable
A1227S305Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142698?
142698 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 142698?
There are 11 known substitutes for 142698: 142698, 303445, 27200 and 8 more. Substitute compatibility should be verified for your specific system.
Is 142698 still available?
142698 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