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PartsTable / COMPONENT / 640150
640150 ✓ 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 color: BLACK, material: ALUMINUM ALLOY, pointer_design: DETACHABLE, inside_diameter: 0.112 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES NOMINAL IN, screw_drive_type: SIX SPLINE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-0353, 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
640150
NSN: 5310-00-275-0353
FSC: 5310
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
colorBLACK
materialALUMINUM ALLOY
pointer_designDETACHABLE
inside_diameter0.112 INCHES NOMINAL IN
outside_diameter0.375 INCHES NOMINAL IN
screw_drive_typeSIX SPLINE
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.312 INCHES NOMINAL IN
reference_markingALIGN INPUT
nominal_thread_size0.112 INCHES SCREW HOLE IN
setscrew_hole_quantity1
NSN5310-00-275-0353
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 640150 · 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
•
NUT HEIGHT: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNEF
•
THREAD CLASS: 3B
•
NUT STYLE: SLOTTED, HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
NOMINAL THREAD SIZE1.000 INCHES IN
BEARING SURFACE TYPEWASHER FACED
THREAD QUANTITY PER INCH20
THREAD SERIESUNEF
THREAD CLASS3B
NUT STYLESLOTTED, HEXAGON
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
WIDTH ACROSS FLATS1.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4713Interchangeable
interchangeable cross-reference
interchangeable
2Z5853Interchangeable
interchangeable cross-reference
interchangeable
640150Interchangeable
interchangeable cross-reference
interchangeable
5167777Interchangeable
interchangeable cross-reference
interchangeable
PC5119718Interchangeable
interchangeable cross-reference
interchangeable
201211Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640150?
640150 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 640150?
There are 18 known substitutes for 640150: 4713, 2Z5853, 640150 and 15 more. Substitute compatibility should be verified for your specific system.
Is 640150 still available?
640150 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026