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Technical Data Sheet
PartsTable / COMPONENT / 5326788
5326788 ✓ 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 1018 OVERALL, nut_style: HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-8432, 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
5326788
NSN: 5310-00-189-8432
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
nut_styleHEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.687 INCHES NOMINAL IN
nominal_thread_size1.125 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch12
material_document_and_classificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-189-8432
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5326788 · 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
•
THREAD CLASS: 2B
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD QUANTITY PER INCH: 12
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT STYLE: HEXAGON
•
MATERIAL: STEEL COMP 1018 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD SERIESUNF
BEARING SURFACE TYPEWASHER FACED
THREAD QUANTITY PER INCH12
NOMINAL THREAD SIZE1.125 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEHEXAGON
MATERIALSTEEL COMP 1018 OVERALL
NUT HEIGHT0.312 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2698Interchangeable
interchangeable cross-reference
interchangeable
2727Interchangeable
interchangeable cross-reference
interchangeable
209S0107A006A82S0000Interchangeable
interchangeable cross-reference
interchangeable
B125747Interchangeable
interchangeable cross-reference
interchangeable
374P646G01Interchangeable
interchangeable cross-reference
interchangeable
2-727-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5326788?
5326788 is a NUT,PLAIN,HEXAGON.
What parts can replace 5326788?
There are 12 known substitutes for 5326788: 2698, 2727, 209S0107A006A82S0000 and 9 more. Substitute compatibility should be verified for your specific system.
Is 5326788 still available?
5326788 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