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Technical Data Sheet
PartsTable / COMPONENT / 81311S4105-457504PC36
81311S4105-457504PC36 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.000 INCHES MAXIMUM IN, fastener_length: 1.000 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 5306-00-010-0122, 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
81311S4105-457504PC36
NSN: 5306-00-010-0122
FSC: 5306
CAGE: 80046 — PACIFIC ELECTRONICS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.203 INCHES NOMINAL IN
thread_class2A A
thread_length1.000 INCHES MAXIMUM IN
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-010-0122
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 81311S4105-457504PC36 · 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
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 1.000 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
THREAD LENGTH1.000 INCHES MAXIMUM IN
HEAD HEIGHT0.203 INCHES NOMINAL IN
THREAD QUANTITY PER INCH18
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 10P STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
YN29S61-0102PC3Upgraded Successor
successor cross-reference
successor
X100122Upgraded Successor
successor cross-reference
successor
CM5S5901-021PC15Upgraded Successor
successor cross-reference
successor
1-00-122Upgraded Successor
successor cross-reference
successor
4000-0000-003Upgraded Successor
successor cross-reference
successor
S-102Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81311S4105-457504PC36?
81311S4105-457504PC36 is a BOLT,MACHINE.
What parts can replace 81311S4105-457504PC36?
There are 27 known substitutes for 81311S4105-457504PC36: YN29S61-0102PC3, X100122, CM5S5901-021PC15 and 24 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81311S4105-457504PC36?
81311S4105-457504PC36 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-010-0122. 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