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PartsTable / COMPONENT / 1227U515
1227U515 ✓ 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 OVERALL, nut_style: HEXAGON, nut_height: 0.302 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, special_features: ONE POINT ON FACE HAS A PROTRUSION 0.218 IN. DIA AND 0.094 IN.

IN HEIGHT IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-838-2036, 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
1227U515
NSN: 5310-00-838-2036
FSC: 5310
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.302 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
special_featuresONE POINT ON FACE HAS A PROTRUSION 0.218 IN. DIA AND 0.094 IN. IN HEIGHT IN
thread_directionRIGHT-HAND
width_across_flats3.500 INCHES NOMINAL IN
nominal_thread_size2.500 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch16
NSN5310-00-838-2036
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1227U515 · 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 QUANTITY PER INCH: 16
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 2.500 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
THREAD QUANTITY PER INCH16
THREAD SERIESUN
NOMINAL THREAD SIZE2.500 INCHES IN
BEARING SURFACE TYPECHAMFERED
SPECIAL FEATURESONE POINT ON FACE HAS A PROTRUSION 0.218 IN. DIA AND 0.094 IN. IN HEIGHT IN
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS3.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
SAK16Interchangeable
interchangeable cross-reference
interchangeable
2710.2Interchangeable
interchangeable cross-reference
interchangeable
5905001048334Interchangeable
interchangeable cross-reference
interchangeable
411336-75Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-39008/2Interchangeable
interchangeable cross-reference
interchangeable
20Interchangeable
2 x Intel Xeon E5-2650 v4 2.2GHz,30M Cache,9.60GT/s QPI,Turbo,HT,12C/24T (105W) Max Mem 2400MHz
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1227U515?
1227U515 is a NUT,PLAIN,HEXAGON.
What parts can replace 1227U515?
There are 15 known substitutes for 1227U515: SAK16, 2710.2, 5905001048334 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1227U515?
1227U515 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-838-2036. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026