PartsTable
Technical Data Sheet
MT147 ✓ 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,OCTAGON is a the manufacturer industrial component. Key specifications include nut_style: PLAIN, OCTAGON, nut_height: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UN, hardness_rating: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-741-4702, 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
MT147
NSN: 5310-00-741-4702
FSC: 5310
CAGE: 26051 — GREAT AMERICAN INDUSTRIES INC (USA)
SPECIFICATIONS
nut_stylePLAIN, OCTAGON
nut_height0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
thread_class2B
thread_seriesUN
hardness_rating89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM
thread_directionRIGHT-HAND
features_providedCASEHARDENED
width_across_flats2.531 INCHES MINIMUM AND 2.594 INCHES MAXIMUM IN
nominal_thread_size1.812 INCHES IN
bearing_surface_typeFLAT
drilled_hole_diameter0.125 INCHES NOMINAL IN
hole_type_and_quantity1 DRILLED
NSN5310-00-741-4702
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MT147 · 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
HOLE TYPE AND QUANTITY: 1 DRILLED
NUT STYLE: PLAIN, OCTAGON
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OVERALL
BEARING SURFACE TYPE: FLAT
NOMINAL THREAD SIZE: 1.812 INCHES IN
FEATURES PROVIDED: CASEHARDENED
HOLE CONFIGURATION STYLE: CONFIGURATION H
TECHNICAL CHARACTERISTICS (FLIS)
HOLE TYPE AND QUANTITY1 DRILLED
NUT STYLEPLAIN, OCTAGON
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OVERALL
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE1.812 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HOLE CONFIGURATION STYLECONFIGURATION H
THREAD QUANTITY PER INCH16
HARDNESS RATING89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
13224Interchangeable
interchangeable cross-reference
interchangeable
1228-C-55Interchangeable
interchangeable cross-reference
interchangeable
23269Interchangeable
interchangeable cross-reference
interchangeable
34Interchangeable
interchangeable cross-reference
interchangeable
PL8666Interchangeable
interchangeable cross-reference
interchangeable
8463Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MT147?
MT147 is a NUT,PLAIN,OCTAGON.
What parts can replace MT147?
There are 11 known substitutes for MT147: 13224, 1228-C-55, 23269 and 8 more. Substitute compatibility should be verified for your specific system.
Is MT147 still available?
MT147 is currently cancelled.
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