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97568A636 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

97568A636: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: IRON AND STEEL OVERALL, head_style: WING NO. 2, head_height: 0.875 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A, thread_length: 3.00 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-654-3606, 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
97568A636
NSN: 5305-01-654-3606
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialIRON AND STEEL OVERALL
head_styleWING NO. 2
head_height0.875 INCHES NOMINAL IN
point_styleFLAT
thread_class2A A
thread_length3.00 INCHES NOMINAL IN
point_diameter0.375 INCHES NOMINAL IN
fastener_length3.00 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats1.8125 INCHES NOMINAL IN
end_item_identification4220-01-618-6266
NSN5305-01-654-3606
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 97568A636 · 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
•
POINT DIAMETER: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.875 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.00 INCHES NOMINAL IN
•
THREAD LENGTH: 3.00 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.3750 INCHES IN
•
HEAD STYLE: WING NO. 2
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.375 INCHES NOMINAL IN
HEAD HEIGHT0.875 INCHES NOMINAL IN
FASTENER LENGTH3.00 INCHES NOMINAL IN
THREAD LENGTH3.00 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.3750 INCHES IN
HEAD STYLEWING NO. 2
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
WIDTH BETWEEN FLATS1.8125 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
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 1
19E2400938Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 97568A636?
97568A636 is a THUMBSCREW.
What parts can replace 97568A636?
There is 1 known substitute for 97568A636: 19E2400938. Substitute compatibility should be verified for your specific system.
What is the NSN for 97568A636?
97568A636 is cataloged in the U.S. Government catalog under NSN 5305-01-654-3606. 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.