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Technical Data Sheet
PartsTable / COMPONENT / K-5131685
K-5131685 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.234 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.752 INCHES MINIMUM IN, fastener_length: 0.879 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-613-9396, 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
K-5131685
NSN: 5306-00-613-9396
FSC: 5306
CAGE: 18954 — KORODY-COLYER CORP A CR INDUSTRIES CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.234 INCHES NOMINAL IN
thread_class2A A
thread_length0.752 INCHES MINIMUM IN
fastener_length0.879 INCHES NOMINAL IN
washer_quantity1
thread_directionRIGHT-HAND
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-613-9396
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: K-5131685 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 0.879 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
WASHER QUANTITY: 1
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.879 INCHES NOMINAL IN
THREAD CLASS2A A
WASHER QUANTITY1
PRIMARY WASHER OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
HEAD HEIGHT0.234 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD LENGTH0.752 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7423Upgraded Successor
successor cross-reference
successor
C3044-5Upgraded Successor
successor cross-reference
successor
21219-4Upgraded Successor
successor cross-reference
successor
5131685Interchangeable
interchangeable cross-reference
interchangeable
5117847Interchangeable
interchangeable cross-reference
interchangeable
PC5131685Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K-5131685?
K-5131685 is a BOLT,ASSEMBLED WASHER.
What parts can replace K-5131685?
There are 17 known substitutes for K-5131685: 7423, C3044-5, 21219-4 and 14 more. Substitute compatibility should be verified for your specific system.
Is K-5131685 still available?
K-5131685 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