PartsTable
Technical Data Sheet
34384 ✓ Verified by PartsTable
3M · 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

Ideal for making notes or leaving messages and reminders, Post-it notes are the simple way to leave a message, make a list or just capture an idea. Key specifications include overall_height: 0.681 INCHES MINIMUM AND 0.731 INCHES MAXIMUM IN, outside_diameter: 4.770 INCHES NOMINAL IN, end_item_identification: 016539745, part_name_assigned_by_controlling_agency: SEAL UNIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-146-1912, 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
34384
NSN: 5305-01-146-1912
FSC: 5305
CAGE: 05573 — BARNES GROUP INC. DBA BARNES DISTRIBUTION (USA)
SPECIFICATIONS
overall_height0.681 INCHES MINIMUM AND 0.731 INCHES MAXIMUM IN
outside_diameter4.770 INCHES NOMINAL IN
end_item_identification016539745
part_name_assigned_by_controlling_agencySEAL UNIT
NSN5305-01-146-1912
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 34384 · 3M ⚠ 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
SCREW MATERIAL: STEEL
HEAD HEIGHT: 0.175 INCHES NOMINAL IN
HEAD STYLE: ROUND
SCREW SURFACE TREATMENT: NICKEL
THREAD QUANTITY PER INCH: 20
THREAD DIRECTION: RIGHT-HAND
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW MATERIALSTEEL
HEAD HEIGHT0.175 INCHES NOMINAL IN
HEAD STYLEROUND
SCREW SURFACE TREATMENTNICKEL
THREAD QUANTITY PER INCH20
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
34384Interchangeable
interchangeable cross-reference
interchangeable
3G5628Interchangeable
interchangeable cross-reference
interchangeable
ST38D27-1Interchangeable
interchangeable cross-reference
interchangeable
3-04384Interchangeable
interchangeable cross-reference
interchangeable
31296Interchangeable
interchangeable cross-reference
interchangeable
12604050Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34384?
34384 is a HOUSING,MECHANICAL DRIVE manufactured by 3M.
What parts can replace 34384?
There are 6 known substitutes for 34384: 34384, 3G5628, ST38D27-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34384?
34384 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-146-1912. This indicates validated use in U.S. government and defense supply chains.
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