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Technical Data Sheet
PartsTable / COMPONENT / 10121233
10121233 ✓ 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 303S OVERALL, nut_style: HEXAGON, nut_height: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-0889, 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
10121233
NSN: 5310-00-275-0889
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL COMP 303S OVERALL
nut_styleHEXAGON
nut_height0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch40
material_document_and_classificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-275-0889
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10121233 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD QUANTITY PER INCH: 40
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2B
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH ACROSS FLATS: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD QUANTITY PER INCH40
NOMINAL THREAD SIZE0.112 INCHES IN
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
WIDTH ACROSS FLATS0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
NUT HEIGHT0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
P146011105Interchangeable
interchangeable cross-reference
interchangeable
5310PL1389942Interchangeable
interchangeable cross-reference
interchangeable
7454160P0030Interchangeable
interchangeable cross-reference
interchangeable
118310Interchangeable
Same NIIN cross-reference
interchangeable
313-0132-00Interchangeable
Same NIIN cross-reference
interchangeable
P313-0132-000Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10121233?
10121233 is a NUT,PLAIN,HEXAGON.
What parts can replace 10121233?
There are 6 known substitutes for 10121233: P146011105, 5310PL1389942, 7454160P0030 and 3 more. Substitute compatibility should be verified for your specific system.
Is 10121233 still available?
10121233 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