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Technical Data Sheet
81334647 ✓ 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: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNS, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-7056, 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
81334647
NSN: 5310-00-011-7056
FSC: 5310
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNS
thread_directionRIGHT-HAND
width_across_flats1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch14
NSN5310-00-011-7056
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81334647 · 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 SERIES: UNS
THREAD QUANTITY PER INCH: 14
NOMINAL THREAD SIZE: 1.000 INCHES IN
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
MATERIAL: STEEL OVERALL
WIDTH ACROSS FLATS: 1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
NUT HEIGHT: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNS
THREAD QUANTITY PER INCH14
NOMINAL THREAD SIZE1.000 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS1.4500 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
NC404PC39Interchangeable
interchangeable cross-reference
interchangeable
NC400PC39Interchangeable
interchangeable cross-reference
interchangeable
NC500PC39Interchangeable
interchangeable cross-reference
interchangeable
P1381Interchangeable
interchangeable cross-reference
interchangeable
A43058Interchangeable
interchangeable cross-reference
interchangeable
GAG185Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81334647?
81334647 is a NUT,PLAIN,HEXAGON.
What parts can replace 81334647?
There are 17 known substitutes for 81334647: NC404PC39, NC400PC39, NC500PC39 and 14 more. Substitute compatibility should be verified for your specific system.
Is 81334647 still available?
81334647 is currently cancelled.
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