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PartsTable / COMPONENT / 8S934
8S934 ✓ 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

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNF, overall_height: 0.385 INCHES NOMINAL IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-119-1442, 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
8S934
NSN: 5310-01-119-1442
FSC: 5310
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
thread_class2B
thread_seriesUNF
overall_height0.385 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.030 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
washer_outside_diameter0.910 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
NSN5310-01-119-1442
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8S934 · 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
•
WASHER THICKNESS: 0.030 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 1E397,FSC-11083 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
WASHER THICKNESS0.030 INCHES NOMINAL IN
THREAD SERIESUNF
NOMINAL THREAD SIZE0.438 INCHES IN
THREAD QUANTITY PER INCH20
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION1E397,FSC-11083 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
OVERALL HEIGHT0.385 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
WASHER OUTSIDE DIAMETER0.910 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1089Interchangeable
interchangeable cross-reference
interchangeable
STS0331-1Interchangeable
interchangeable cross-reference
interchangeable
7527453P11Interchangeable
interchangeable cross-reference
interchangeable
CT343-11Interchangeable
interchangeable cross-reference
interchangeable
00077Interchangeable
interchangeable cross-reference
interchangeable
SS-P-196 TY1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8S934?
8S934 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace 8S934?
There are 19 known substitutes for 8S934: 1089, STS0331-1, 7527453P11 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8S934?
8S934 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-119-1442. 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