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PartsTable / COMPONENT / MA308-21002
MA308-21002 ✓ 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 PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.094 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: STEEL COMP 1010 OVERALL, head_style: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION), style_designator: STRAIGHT, pin_head_diameter: 0.375 INCHES NOMINAL IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-160-2311, 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
MA308-21002
NSN: 5315-01-160-2311
FSC: 5315
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
height0.094 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialSTEEL COMP 1010 OVERALL
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
style_designatorSTRAIGHT
pin_head_diameter0.375 INCHES NOMINAL IN
under_head_length2.625 INCHES NOMINAL IN
first_hole_diameter0.094 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
distance_from_centerline_of_hole_to_end_of_pin0.094 INCHES NOMINAL IN
NSN5315-01-160-2311
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MA308-21002 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.094 INCHES NOMINAL IN
•
HEIGHT: 0.094 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OVERALL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
FIRST HOLE DIAMETER: 0.094 INCHES NOMINAL IN
•
HEAD STYLE: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.094 INCHES NOMINAL IN
HEIGHT0.094 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OVERALL
HOLE ARRANGEMENT STYLEONE END DRILLED
DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
FIRST HOLE DIAMETER0.094 INCHES NOMINAL IN
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
UNDER HEAD LENGTH2.625 INCHES NOMINAL IN
PIN HEAD DIAMETER0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
215013Interchangeable
interchangeable cross-reference
interchangeable
C61989Interchangeable
interchangeable cross-reference
interchangeable
S637471Interchangeable
interchangeable cross-reference
interchangeable
140316Interchangeable
interchangeable cross-reference
interchangeable
DS2709Interchangeable
interchangeable cross-reference
interchangeable
11063Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MA308-21002?
MA308-21002 is a PIN,STRAIGHT,HEADED.
What parts can replace MA308-21002?
There are 16 known substitutes for MA308-21002: 215013, C61989, S637471 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA308-21002?
MA308-21002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-160-2311. 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