PartsTable
Technical Data Sheet
Download PDF

41X1664 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

41X1664: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK KEYED, screw_material: STEEL, fastener_length: 20.0 MILLIMETERS NOMINAL MM, special_features: 4,0 MILLIMETER HEX KEY DRIVE STYLE MM, part_name_assigned_by_controlling_agency: SCREW, HEX-SOCKET COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-719-7728, 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
41X1664
NSN: 5305-01-719-7728
FSC: 5305 — Screws
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK KEYED
screw_materialSTEEL
fastener_length20.0 MILLIMETERS NOMINAL MM
special_features4,0 MILLIMETER HEX KEY DRIVE STYLE MM
part_name_assigned_by_controlling_agencySCREW, HEX-SOCKET COUNTERSUNK
NSN5305-01-719-7728
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 41X1664 · 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
•
FASTENER LENGTH: 20.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: FLAT COUNTERSUNK KEYED
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH20.0 MILLIMETERS NOMINAL MM
HEAD STYLEFLAT COUNTERSUNK KEYED
SCREW MATERIALSTEEL
SPECIAL FEATURES4,0 MILLIMETER HEX KEY DRIVE STYLE MM
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, HEX-SOCKET COUNTERSUNK
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
7421284301Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 41X1664?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 41X1664?
41X1664 is a SCREW,MACHINE.
What parts can replace 41X1664?
There is 1 known substitute for 41X1664: 7421284301. Substitute compatibility should be verified for your specific system.
What is the NSN for 41X1664?
41X1664 is cataloged in the U.S. Government catalog under NSN 5305-01-719-7728. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 41X1664

✓ 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.