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ABS20642-4F11 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ABS20642-4F11: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.097 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.648 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN, thread_length: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN, screw_material: STEEL COMP 8740. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-007-3176, 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
ABS20642-4F11
NSN: 5305-00-007-3176
FSC: 5305 — Screws
CAGE: 02310 — PATTONAIR USA INC DBA INCORA DIV UNISEAL DIVISION (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK UNDERCUT
head_height0.097 INCHES NOMINAL IN
thread_class3A A
head_diameter0.648 INCHES MINIMUM AND 0.666 INCHES MAXIMUM IN
thread_length0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8740
fastener_length0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_providedO RING
internal_drive_styleTORQUE SET
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-007-3176
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ABS20642-4F11 · 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: 0.097 INCHES NOMINAL IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: O RING
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.097 INCHES NOMINAL IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
THREAD LENGTH0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDO RING
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8740
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ABS20642-4F11?
ABS20642-4F11 is a SCREW,MACHINE.
What is the NSN for ABS20642-4F11?
ABS20642-4F11 is cataloged in the U.S. Government catalog under NSN 5305-00-007-3176. This indicates validated use in U.S. government and defense supply chains.
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