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Technical Data Sheet
PartsTable / COMPONENT / MS35690-602
MS35690-602 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008 OR STEEL COMP 1095 OVERALL, nut_style: HEXAGON, nut_height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-2628, 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
MS35690-602
NSN: 5310-00-543-2628
FSC: 5310
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 1008 OR STEEL COMP 1095 OVERALL
nut_styleHEXAGON
nut_height0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch16
NSN5310-00-543-2628
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35690-602 · 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
•
SPECIFICATION/STANDARD DATA: 81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 STYLE AND 3/8-16IN. SIZE IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
NUT STYLE: HEXAGON
•
BEARING SURFACE TYPE: FLAT
•
THREAD QUANTITY PER INCH: 16
•
HARDNESS RATING: 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81348-FF-N-836 GOVERNMENT SPECIFICATION AND 96906-MS35690/CANCELED/ GOVERNMENT STANDARD
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE AND 3/8-16IN. SIZE IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NUT STYLEHEXAGON
BEARING SURFACE TYPEFLAT
THREAD QUANTITY PER INCH16
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5118351Interchangeable
interchangeable cross-reference
interchangeable
5121636Interchangeable
interchangeable cross-reference
interchangeable
51-1835Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836Interchangeable
Same NIIN cross-reference
interchangeable
0740807Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35690-602?
MS35690-602 is a NUT,PLAIN,HEXAGON.
What parts can replace MS35690-602?
There are 5 known substitutes for MS35690-602: 5118351, 5121636, 51-1835 and 2 more. Substitute compatibility should be verified for your specific system.
Is MS35690-602 still available?
MS35690-602 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