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CB633 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CB633: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: FILLISTER, head_height: 0.060 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.166 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, thread_length: 0.094 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-487-4885, 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
CB633
NSN: 5305-00-487-4885
FSC: 5305 — Screws
CAGE: 70214 — GTAA LLC DBA GTAA LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleFILLISTER
head_height0.060 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.166 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
thread_length0.094 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.130 INCHES NOMINAL IN
shoulder_length0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_styleSLOT
NSN5305-00-487-4885
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CB633 · 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: 0.060 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.130 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.094 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.060 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
FASTENER LENGTH0.130 INCHES NOMINAL IN
SHOULDER LENGTH0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.094 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
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 1
10345149Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 CB633?
CB633 is a SCREW,SHOULDER.
What parts can replace CB633?
There is 1 known substitute for CB633: 10345149. Substitute compatibility should be verified for your specific system.
What is the NSN for CB633?
CB633 is cataloged in the U.S. Government catalog under NSN 5305-00-487-4885. 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.