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3M343A9-21 — PIN-RIVET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3M343A9-21: PIN-RIVET.

The PIN-RIVET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLUSH COUNTERSUNK, grip_length: 1.302 INCHES MINIMUM AND 1.317 INCHES MAXIMUM IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.5912 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-004-4233, 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
3M343A9-21
NSN: 5320-01-004-4233
FSC: 5320 — Rivets
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLUSH COUNTERSUNK
grip_length1.302 INCHES MINIMUM AND 1.317 INCHES MAXIMUM IN
shank_stylePIN-RIVET, STRAIGHT, THREADED
thread_class3A A
shank_diameter0.5912 INCHES NOMINAL IN
fastener_length2.083 INCHES MINIMUM AND 2.108 INCHES MAXIMUM IN
special_features0.572 IN. SECOND SHANK DIA,CETYL ALCOHOL LUBRICANT IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentCADMIUM OVERALL
head_major_diameter1.164 INCHES MAXIMUM IN
NSN5320-01-004-4233
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PIN-RIVET TITLE COMPONENT PN 3M343A9-21 MFR PIN-RIVET
KEY FEATURES
•
SHANK DIAMETER: 0.5912 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.083 INCHES MINIMUM AND 2.108 INCHES MAXIMUM IN
•
HEAD STYLE: FLUSH COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
GRIP LENGTH: 1.302 INCHES MINIMUM AND 1.317 INCHES MAXIMUM IN
•
SHANK STYLE: PIN-RIVET, STRAIGHT, THREADED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.5912 INCHES NOMINAL IN
FASTENER LENGTH2.083 INCHES MINIMUM AND 2.108 INCHES MAXIMUM IN
HEAD STYLEFLUSH COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.562 INCHES IN
GRIP LENGTH1.302 INCHES MINIMUM AND 1.317 INCHES MAXIMUM IN
SHANK STYLEPIN-RIVET, STRAIGHT, THREADED
SPECIAL FEATURES0.572 IN. SECOND SHANK DIA,CETYL ALCOHOL LUBRICANT IN
SURFACE TREATMENTCADMIUM OVERALL
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
OTHER ITEMS IN FSC 5320 — Rivets
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5320-00-001-1756 5320-00-001-2042 5320-00-001-3944 5320-00-001-5126 5320-00-001-5151 5320-00-001-5152 5320-00-001-5153
SUBSTITUTES & CROSS-REFERENCES 1
TL300L9-21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M343A9-21?
3M343A9-21 is a PIN-RIVET.
What parts can replace 3M343A9-21?
There is 1 known substitute for 3M343A9-21: TL300L9-21. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M343A9-21?
3M343A9-21 is cataloged in the U.S. Government catalog under NSN 5320-01-004-4233. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.