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AB2660A9 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AB2660A9: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BUTTON, head_height: 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, thread_length: 0.497 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN, fastener_length: 0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-021-9140, 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
AB2660A9
NSN: 5305-01-021-9140
FSC: 5305 — Screws
CAGE: 02310 — PATTONAIR USA INC DBA INCORA DIV UNISEAL DIVISION (USA)
SPECIFICATIONS
head_styleBUTTON
head_height0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
thread_length0.497 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420F OR STEEL COMP 420FSE OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 440F OR STEEL COMP 440FSE
fastener_length0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedSHIM AND O RING
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-021-9140
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AB2660A9 · 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: 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.497 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
FEATURES PROVIDED: SHIM AND O RING
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
THREAD LENGTH0.497 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
FEATURES PROVIDEDSHIM AND O RING
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 416SE OR STEEL COMP 420F OR STEEL COMP 420FSE OR STEEL COMP 430F OR STEEL COMP 430FSE OR STEEL COMP 440F OR STEEL COMP 440FSE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 AB2660A9?
AB2660A9 is a SCREW,MACHINE.
What is the NSN for AB2660A9?
AB2660A9 is cataloged in the U.S. Government catalog under NSN 5305-01-021-9140. This indicates validated use in U.S. government and defense supply chains.
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