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3231399 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3231399: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: HEXAGON, head_height: 0.375 INCHES NOMINAL IN, thread_class: 3A A, hole_diameter: 0.101 INCHES NOMINAL IN, thread_length: 0.500 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-208-3965, 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
3231399
NSN: 5306-00-208-3965
FSC: 5306 — Bolts
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1022 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1115 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.375 INCHES NOMINAL IN
thread_class3A A
hole_diameter0.101 INCHES NOMINAL IN
hole_quantity3
thread_length0.500 INCHES MINIMUM IN
fastener_length1.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.812 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-00-208-3965
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3231399 · 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: 0.375 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
FIRST DIAMETER FROM HEAD: 0.500 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 1.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.375 INCHES NOMINAL IN
FASTENER LENGTH1.875 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEHEXAGON FLATS
FIRST DIAMETER FROM HEAD0.500 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER1.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.401 INCHES MINIMUM AND 0.406 INCHES MAXIMUM 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3231399?
3231399 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 3231399?
3231399 is cataloged in the U.S. Government catalog under NSN 5306-00-208-3965. This indicates validated use in U.S. government and defense supply chains.
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