PartsTable
Technical Data Sheet
1227L636X ✓ 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 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL, nut_style: HEXAGON, nut_height: 0.310 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-173-3066, 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
1227L636X
NSN: 5310-00-173-3066
FSC: 5310
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL
nut_styleHEXAGON
nut_height0.310 INCHES NOMINAL IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats2.060 INCHES NOMINAL IN
nominal_thread_size1.625 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch16
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-173-3066
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1227L636X · 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
NUT HEIGHT: 0.310 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 16
THREAD SERIES: UN
NOMINAL THREAD SIZE: 1.625 INCHES IN
BEARING SURFACE TYPE: WASHER FACED
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL
WIDTH ACROSS FLATS: 2.060 INCHES NOMINAL IN
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.310 INCHES NOMINAL IN
THREAD QUANTITY PER INCH16
THREAD SERIESUN
NOMINAL THREAD SIZE1.625 INCHES IN
BEARING SURFACE TYPEWASHER FACED
MATERIALSTEEL COMP 1015 OR STEEL COMP 1030 OR STEEL COMP 1212 OR STEEL COMP 1120 OVERALL
WIDTH ACROSS FLATS2.060 INCHES NOMINAL IN
NUT STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SK5-FInterchangeable
interchangeable cross-reference
interchangeable
R-141-FInterchangeable
interchangeable cross-reference
interchangeable
W7W-FInterchangeable
interchangeable cross-reference
interchangeable
14975Interchangeable
interchangeable cross-reference
interchangeable
8309-1159Interchangeable
interchangeable cross-reference
interchangeable
SD63519Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1227L636X?
1227L636X is a NUT,PLAIN,HEXAGON.
What parts can replace 1227L636X?
There are 14 known substitutes for 1227L636X: SK5-F, R-141-F, W7W-F and 11 more. Substitute compatibility should be verified for your specific system.
Is 1227L636X still available?
1227L636X is currently cancelled.
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