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Technical Data Sheet
PartsTable / COMPONENT / 20224 BLK.OXIDE
20224 BLK.OXIDE ✓ 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 20224 BLK.OXIDE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-802-3237, 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
20224 BLK.OXIDE
NSN: 5305-00-802-3237
FSC: 5305
CAGE: 73734 — FEDERAL SCREW PRODUCTS, INC. (USA)
SPECIFICATIONS
Part Number20224 BLK.OXIDE
NSN5305-00-802-3237
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20224 BLK.OXIDE · 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 STYLE: FLAT COUNTERSUNK
•
HEAD DIAMETER: 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: NICKEL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD LENGTH: 0.308 INCHES NOMINAL IN
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
SCREW MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTNICKEL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD LENGTH0.308 INCHES NOMINAL IN
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
FASTENER LENGTH0.375 INCHES NOMINAL IN
SCREW MATERIALCOPPER ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.112 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
33133Interchangeable
interchangeable cross-reference
interchangeable
EP204Interchangeable
interchangeable cross-reference
interchangeable
136198Interchangeable
interchangeable cross-reference
interchangeable
4-40X3-8FHBRNPInterchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
P342-0154-000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20224 BLK.OXIDE?
20224 BLK.OXIDE is a 20224 BLK.OXIDE.
What parts can replace 20224 BLK.OXIDE?
There are 21 known substitutes for 20224 BLK.OXIDE: 33133, EP204, 136198 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20224 BLK.OXIDE?
20224 BLK.OXIDE is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-802-3237. 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