PartsTable
Technical Data Sheet
Download PDF

ITEM21189 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ITEM21189: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BUTTON, head_diameter: 0.50 INCHES NOMINAL IN, screw_material: STEEL COMP 316, end_item_identification: VEHICLE HANDLE KIT, nominal_thread_diameter: 0.190 INCHES IN, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-697-5180, 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
ITEM21189
NSN: 5305-01-697-5180
FSC: 5305 — Screws
CAGE: Z0ZT6 — BLUEZONE GROUP PTY LIMITED (AUS)
SPECIFICATIONS
head_styleBUTTON
head_diameter0.50 INCHES NOMINAL IN
screw_materialSTEEL COMP 316
end_item_identificationVEHICLE HANDLE KIT
nominal_thread_diameter0.190 INCHES IN
thread_series_designatorUNF
part_name_assigned_by_controlling_agencySCREW
NSN5305-01-697-5180
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ITEM21189 · 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: 0.190 INCHES IN
•
HEAD STYLE: BUTTON
•
SCREW MATERIAL: STEEL COMP 316
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD DIAMETER: 0.50 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEBUTTON
SCREW MATERIALSTEEL COMP 316
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW
END ITEM IDENTIFICATIONVEHICLE HANDLE KIT
THREAD SERIES DESIGNATORUNF
HEAD DIAMETER0.50 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy ITEM21189?
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 ITEM21189?
ITEM21189 is a SCREW,MACHINE.
What is the NSN for ITEM21189?
ITEM21189 is cataloged in the U.S. Government catalog under NSN 5305-01-697-5180. 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 — ITEM21189

✓ 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.