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PartsTable / COMPONENT / MS16286-11L1
MS16286-11L1 ✓ 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: 1.000 INCHES NOMINAL IN, thread_class: 2B, thread_series: UN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-041-2866, 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
MS16286-11L1
NSN: 5310-01-041-2866
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height1.000 INCHES NOMINAL IN
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats1.660 INCHES NOMINAL IN
nominal_thread_size1.125 INCHES IN
thread_quantity_per_inch8
nondefinitive_spec/std_data3 TYPE AND A STYLE AND 4 GRADE
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NSN5310-01-041-2866
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS16286-11L1 · 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: STEEL OVERALL
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND A STYLE AND 4 GRADE
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES: UN
•
THREAD QUANTITY PER INCH: 8
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS
NONDEFINITIVE SPEC/STD DATA3 TYPE AND A STYLE AND 4 GRADE
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUN
THREAD QUANTITY PER INCH8
CRITICALITY CODE JUSTIFICATIONZZZX
NOMINAL THREAD SIZE1.125 INCHES IN
NUT STYLEHEXAGON
WIDTH ACROSS FLATS1.660 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
22600N PIECE 38Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-1222,TYIII,GR4,STYAInterchangeable
interchangeable cross-reference
interchangeable
TYIII,GR 4,STY A,1-8UNC-2BInterchangeable
interchangeable cross-reference
interchangeable
76749-13X2PCF7L1Interchangeable
interchangeable cross-reference
interchangeable
975-298PCF6L1Interchangeable
interchangeable cross-reference
interchangeable
975-240PCF7L1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS16286-11L1?
MS16286-11L1 is a NUT,PLAIN,HEXAGON.
What parts can replace MS16286-11L1?
There are 17 known substitutes for MS16286-11L1: 22600N PIECE 38, MIL-DTL-1222,TYIII,GR4,STYA, TYIII,GR 4,STY A,1-8UNC-2B and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS16286-11L1?
MS16286-11L1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-041-2866. 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