PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 038-22221
038-22221 ✓ 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 head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.796 INCHES NOMINAL IN, thread_length: 0.437 INCHES NOMINAL IN, screw_material: COPPER ALLOY, fastener_length: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-406-6939, 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
038-22221
NSN: 5305-00-406-6939
FSC: 5305
CAGE: 51501 — ROGERS BROTHERS CORP (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.796 INCHES NOMINAL IN
thread_length0.437 INCHES NOMINAL IN
screw_materialCOPPER ALLOY
fastener_length0.750 INCHES NOMINAL IN
special_featuresFURNISHED W/ONE LOCKWASHER AND ONE NUT HEX
thread_directionRIGHT-HAND
countersink_angle90.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
NSN5305-00-406-6939
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 038-22221 · 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
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNF
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.437 INCHES NOMINAL IN
•
SCREW MATERIAL: COPPER ALLOY
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
INTERNAL DRIVE STYLESLOT
SPECIAL FEATURESFURNISHED W/ONE LOCKWASHER AND ONE NUT HEX
THREAD LENGTH0.437 INCHES NOMINAL IN
SCREW MATERIALCOPPER ALLOY
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH24
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
22221Interchangeable
interchangeable cross-reference
interchangeable
R925-1Interchangeable
interchangeable cross-reference
interchangeable
C600012882Interchangeable
interchangeable cross-reference
interchangeable
L1052Interchangeable
interchangeable cross-reference
interchangeable
RL1052Interchangeable
interchangeable cross-reference
interchangeable
5L580Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 038-22221?
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 038-22221?
038-22221 is a SCREW,MACHINE.
What parts can replace 038-22221?
There are 18 known substitutes for 038-22221: 22221, R925-1, C600012882 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 038-22221?
038-22221 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-406-6939. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 038-22221

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026