PartsTable
Technical Data Sheet
N11FM28CX3-4 16THD ✓ 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,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 1.000 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, 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 5310-00-275-1853, 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
N11FM28CX3-4 16THD
NSN: 5310-00-275-1853
FSC: 5310
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height1.000 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch16
nondefinitive_spec/std_data4 TYPE AND 2 STYLE
NSN5310-00-275-1853
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N11FM28CX3-4 16THD · 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
WIDTH ACROSS FLATS: 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH: 16
NOMINAL THREAD SIZE: 0.750 INCHES IN
THREAD SERIES: UNF
THREAD DIRECTION: RIGHT-HAND
NUT HEIGHT: 1.000 INCHES NOMINAL IN
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD QUANTITY PER INCH16
NOMINAL THREAD SIZE0.750 INCHES IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT1.000 INCHES NOMINAL IN
THREAD CLASS3B
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATL OR THD CLASS OR HEIGHT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
FFN836TYPE4STYLE2Interchangeable
interchangeable cross-reference
interchangeable
13ADD805APC12Interchangeable
interchangeable cross-reference
interchangeable
15ADD805APC12Interchangeable
interchangeable cross-reference
interchangeable
8AFA1636APC11Interchangeable
interchangeable cross-reference
interchangeable
7375688Interchangeable
interchangeable cross-reference
interchangeable
50534Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11FM28CX3-4 16THD?
N11FM28CX3-4 16THD is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace N11FM28CX3-4 16THD?
There are 11 known substitutes for N11FM28CX3-4 16THD: FFN836TYPE4STYLE2, 13ADD805APC12, 15ADD805APC12 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11FM28CX3-4 16THD?
N11FM28CX3-4 16THD is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1853. This indicates validated use in U.S. government and defense supply chains.
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