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4340374 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4340374: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.28 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.50 INCHES NOMINAL IN, fastener_length: 0.50 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-732-2863, 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
4340374
NSN: 5306-01-732-2863
FSC: 5306 — Bolts
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.28 INCHES MAXIMUM IN
thread_class2A A
thread_length0.50 INCHES NOMINAL IN
fastener_length0.50 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE AND ZINC OVERALL
width_between_flats0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
end_item_identification017006384
nominal_thread_diameter0.250 INCHES IN
extended_washer_diameter0.56 INCHES MAXIMUM IN
NSN5306-01-732-2863
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4340374 · 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: 0.28 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.50 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: F-100: D20, TYPE 1, CLASS B MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.56 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.50 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GRADE 8 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.28 INCHES MAXIMUM IN
FASTENER LENGTH0.50 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONF-100: D20, TYPE 1, CLASS B MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.56 INCHES MAXIMUM IN
THREAD LENGTH0.50 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 8 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.375 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 4340374?
4340374 is a BOLT,MACHINE.
What is the NSN for 4340374?
4340374 is cataloged in the U.S. Government catalog under NSN 5306-01-732-2863. This indicates validated use in U.S. government and defense supply chains.
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