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Technical Data Sheet
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8S2331 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8S2331: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.375 INCHES NOMINAL IN, head_height: 0.625 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-061-8640, 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
8S2331
NSN: 5306-01-061-8640
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.375 INCHES NOMINAL IN
head_height0.625 INCHES NOMINAL IN
thread_class2A A
thread_length1.625 INCHES NOMINAL IN
fastener_length2.000 INCHES NOMINAL IN
hardness_rating37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentOXIDE AND OIL OVERALL
end_item_identificationLOGISTICS SUPPORT VESSEL
NSN5306-01-061-8640
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8S2331 · 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
•
HEAD HEIGHT: 0.625 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.938 INCHES NOMINAL IN
•
THREAD LENGTH: 1.625 INCHES NOMINAL IN
•
HARDNESS RATING: 37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: DOUBLE HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.625 INCHES NOMINAL IN
FASTENER LENGTH2.000 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.938 INCHES NOMINAL IN
THREAD LENGTH1.625 INCHES NOMINAL IN
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.375 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8S2331?
8S2331 is a BOLT,MACHINE.
What is the NSN for 8S2331?
8S2331 is cataloged in the U.S. Government catalog under NSN 5306-01-061-8640. This indicates validated use in U.S. government and defense supply chains.
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