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11663341 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11663341: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.735 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER, fastener_length: 1.990 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-020-0857, 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
11663341
NSN: 5306-00-020-0857
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1524 OR STEEL COMP 1025 OVERALL
head_styleHEXAGON
head_height0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
thread_class2A A
thread_length0.735 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.990 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
shoulder_length1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-00-020-0857
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11663341 · 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: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.990 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.735 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OR QQ-S-634-CANCELED FED SPEC 5TH MATERIAL RESPONSE OR AISI ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR AISI ASSN STD 6TH MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
FASTENER LENGTH1.990 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
SHOULDER LENGTH1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.622 INCHES MINIMUM AND 0.626 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.735 INCHES MINIMUM AND 0.767 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OR QQ-S-634-CANCELED FED SPEC 5TH MATERIAL RESPONSE OR AISI ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR AISI ASSN STD 6TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
GS106-35Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 11663341?
11663341 is a BOLT,SHOULDER.
What parts can replace 11663341?
There is 1 known substitute for 11663341: GS106-35. Substitute compatibility should be verified for your specific system.
What is the NSN for 11663341?
11663341 is cataloged in the U.S. Government catalog under NSN 5306-00-020-0857. 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.