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21C6782G18 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21C6782G18: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_class: 2A A, fastener_length: 3.188 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, features_provided: NUT AND LOCK WASHER, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-064-1544, 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
21C6782G18
NSN: 5305-01-064-1544
FSC: 5305 — Screws
CAGE: 89946 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
thread_class2A A
fastener_length3.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedNUT AND LOCK WASHER
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-064-1544
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21C6782G18 · 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: 3.188 INCHES NOMINAL IN
•
FEATURES PROVIDED: NUT AND LOCK WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.188 INCHES NOMINAL IN
FEATURES PROVIDEDNUT AND LOCK WASHER
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2A A
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 2
82-20-46Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
305AS-A10262Same 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 21C6782G18?
21C6782G18 is a SCREW,MACHINE.
What parts can replace 21C6782G18?
There are 2 known substitutes for 21C6782G18: 82-20-46, 305AS-A10262. Substitute compatibility should be verified for your specific system.
What is the NSN for 21C6782G18?
21C6782G18 is cataloged in the U.S. Government catalog under NSN 5305-01-064-1544. This indicates validated use in U.S. government and defense supply chains.
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