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PartsTable / COMPONENT / 1227S253
1227S253 ✓ 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 1212 OR STEEL COMP 1213 OVERALL, nut_style: HEXAGON, nut_height: 0.609 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-220-6732, 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
1227S253
NSN: 5310-00-220-6732
FSC: 5310
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OR STEEL COMP 1213 OVERALL
nut_styleHEXAGON
nut_height0.609 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.875 INCHES NOMINAL IN
nominal_thread_size0.562 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch18
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-220-6732
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1227S253 · 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: 3B
•
NUT STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
THREAD QUANTITY PER INCH: 18
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
NUT STYLEHEXAGON
WIDTH ACROSS FLATS0.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.562 INCHES IN
THREAD QUANTITY PER INCH18
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1212 OR STEEL COMP 1213 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
N49Interchangeable
interchangeable cross-reference
interchangeable
106639Interchangeable
interchangeable cross-reference
interchangeable
JAN2N1485Interchangeable
interchangeable cross-reference
interchangeable
C-010-1Interchangeable
Same NIIN cross-reference
interchangeable
84873Interchangeable
Same NIIN cross-reference
interchangeable
FFB571TYPEAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1227S253?
1227S253 is a NUT,PLAIN,HEXAGON.
What parts can replace 1227S253?
There are 6 known substitutes for 1227S253: N49, 106639, JAN2N1485 and 3 more. Substitute compatibility should be verified for your specific system.
Is 1227S253 still available?
1227S253 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