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220493 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include material: PLASTIC, part_name_assigned_by_controlling_agency: SEALING PLUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-022-0493, 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
220493
NSN: 5305-00-022-0493
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialPLASTIC
part_name_assigned_by_controlling_agencySEALING PLUG
NSN5305-00-022-0493
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 220493 · 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
•
THREAD CLASS: 2A A
•
HARDNESS RATING: 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MINIMUM TENSILE STRENGTH: 95000 POUNDS PER SQUARE INCH LBS
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL COMP 1035 OVERALL
•
LOCKING FEATURE: DISTORTIONS BEARING SURFACE OF HEAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 1035 OVERALL
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
22049-3Interchangeable
interchangeable cross-reference
interchangeable
0726504Interchangeable
interchangeable cross-reference
interchangeable
114017Interchangeable
interchangeable cross-reference
interchangeable
MS35763-817Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 220493?
220493 is a SCREW,MACHINE.
What parts can replace 220493?
There are 4 known substitutes for 220493: 22049-3, 0726504, 114017 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 220493?
220493 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-022-0493. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026