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PartsTable / COMPONENT / 11641008
11641008 ✓ Verified by PartsTable
— · 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

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1022 OVERALL, head_style: FILLISTER COUNTERSUNK, head_height: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.593 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-157-8284, 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
11641008
NSN: 5305-00-157-8284
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1022 OVERALL
head_styleFILLISTER COUNTERSUNK
head_height0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length0.593 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
fastener_length0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
locking_featureSTRIP THREADS
special_featuresW/HEADER POINT
thread_directionRIGHT-HAND
countersink_angle81.0 DEGREES NOMINAL
surface_treatmentCADMIUM OVERALL
NSN5305-00-157-8284
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11641008 · 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: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
HEAD DIAMETER: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 24
•
COUNTERSINK ANGLE: 81.0 DEGREES NOMINAL
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1022 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
HEAD DIAMETER0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
INTERNAL DRIVE STYLEHEXAGON
THREAD QUANTITY PER INCH24
COUNTERSINK ANGLE81.0 DEGREES NOMINAL
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1022 OVERALL
SURFACE TREATMENTCADMIUM OVERALL
LOCKING FEATURESTRIP THREADS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
804147-821Interchangeable
interchangeable cross-reference
interchangeable
441-1272-018Interchangeable
interchangeable cross-reference
interchangeable
CKR05BX821KInterchangeable
interchangeable cross-reference
interchangeable
1P973842Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11641008?
11641008 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 11641008?
There are 4 known substitutes for 11641008: 804147-821, 441-1272-018, CKR05BX821K and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11641008?
11641008 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-157-8284. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026