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335-0021-000 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

335-0021-000: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, spline_width: 0.025 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.188 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-033-5237, 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
335-0021-000
NSN: 5305-00-033-5237
FSC: 5305 — Screws
CAGE: F5491 — ROCKWELL COLLINS FRANCE DIV COLLINS AEROSPACE - AVIONICS (FRA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
spline_width0.025 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
thread_class3A A
thread_length0.188 INCHES MAXIMUM IN
fastener_length0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
spline_major_diameter0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
spline_minor_diameter0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
NSN5305-00-033-5237
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 335-0021-000 · 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
•
SPLINE MINOR DIAMETER: 0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.188 INCHES NOMINAL IN
•
SPLINE WIDTH: 0.025 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.188 INCHES MAXIMUM IN
•
SPLINE MAJOR DIAMETER: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.055 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
FASTENER LENGTH0.188 INCHES NOMINAL IN
SPLINE WIDTH0.025 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
THREAD LENGTH0.188 INCHES MAXIMUM IN
SPLINE MAJOR DIAMETER0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLECUP
SURFACE TREATMENTPASSIVATE OVERALL
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 1
K27J972P7Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 335-0021-000?
335-0021-000 is a SETSCREW.
What parts can replace 335-0021-000?
There is 1 known substitute for 335-0021-000: K27J972P7. Substitute compatibility should be verified for your specific system.
What is the NSN for 335-0021-000?
335-0021-000 is cataloged in the U.S. Government catalog under NSN 5305-00-033-5237. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.