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Technical Data Sheet
PartsTable / COMPONENT / 51-40336
51-40336 ✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_direction: RIGHT-HAND, features_provided: LOCK WASHER AND HEX NUT, surface_treatment: ZINC OVERALL, end_item_identification: PREPROVISIONING SUPPORT NAVICP IS POE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-381-3922, 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
51-40336
NSN: 5306-01-381-3922
FSC: 5306
CAGE: 29189 — MICROFLECT CO. INC. DBA VALMONT/MICROFLECT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_directionRIGHT-HAND
features_providedLOCK WASHER AND HEX NUT
surface_treatmentZINC OVERALL
end_item_identificationPREPROVISIONING SUPPORT NAVICP IS POE
nominal_thread_diameter0.375 INCHES IN
distance_from_inside_of_bend_to_shank_end3.125 INCHES NOMINAL IN
NSN5306-01-381-3922
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 51-40336 · 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
•
FEATURES PROVIDED: LOCK WASHER AND HEX NUT
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
DISTANCE FROM INSIDE OF BEND TO SHANK END: 3.125 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
SURFACE TREATMENT: ZINC OVERALL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDLOCK WASHER AND HEX NUT
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
DISTANCE FROM INSIDE OF BEND TO SHANK END3.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B8-87Interchangeable
interchangeable cross-reference
interchangeable
8-87Interchangeable
interchangeable cross-reference
interchangeable
5140336Interchangeable
interchangeable cross-reference
interchangeable
8-3807-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-40336?
51-40336 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 51-40336?
There are 4 known substitutes for 51-40336: B8-87, 8-87, 5140336 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-40336?
51-40336 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-381-3922. 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