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PartsTable / COMPONENT / 9-16 R
9-16 R ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL, hole_diameter: 0.573 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN, outside_diameter: 0.979 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PHOSPHATE OVERALL, material_thickness: 0.141 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-6122, 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
9-16 R
NSN: 5310-00-011-6122
FSC: 5310
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
hole_diameter0.573 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
outside_diameter0.979 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPHOSPHATE OVERALL
material_thickness0.141 INCHES NOMINAL IN
nondefinitive_spec/std_dataA CLASS AND 2 STYLE
material_document_and_classificationASTMA576 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-011-6122
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9-16 R · 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
•
HOLE DIAMETER: 0.573 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 2 STYLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL THICKNESS: 0.141 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.979 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.573 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALSTEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1075 OR STEEL COMP 1080 OVERALL
NONDEFINITIVE SPEC/STD DATAA CLASS AND 2 STYLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA576 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.141 INCHES NOMINAL IN
OUTSIDE DIAMETER0.979 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
34811S2Interchangeable
interchangeable cross-reference
interchangeable
116123Interchangeable
interchangeable cross-reference
interchangeable
C9571-1Interchangeable
interchangeable cross-reference
interchangeable
S12546-006Interchangeable
interchangeable cross-reference
interchangeable
116122Interchangeable
Same NIIN cross-reference
interchangeable
5310000116122Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9-16 R?
9-16 R is a WASHER,LOCK.
What parts can replace 9-16 R?
There are 8 known substitutes for 9-16 R: 34811S2, 116123, C9571-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-16 R?
9-16 R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-6122. 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