PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 2DY421
2DY421 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OVERALL, head_style: HEADLESS (SETSCREW), point_style: CONE, thread_class: 3A A, thread_length: 0.150 INCHES NOMINAL IN, fastener_length: 0.500 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 5305-01-380-9205, 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
2DY421
NSN: 5305-01-380-9205
FSC: 5305
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCONE
thread_class3A A
thread_length0.150 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP LOCKING FEATURE
thread_directionRIGHT-HAND
end_item_identificationNSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-380-9205
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2DY421 · 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
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD CLASS: 3A A
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD LENGTH: 0.150 INCHES NOMINAL IN
•
POINT STYLE: CONE
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.250 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3A A
HEAD STYLEHEADLESS (SETSCREW)
THREAD LENGTH0.150 INCHES NOMINAL IN
POINT STYLECONE
END ITEM IDENTIFICATIONNSN 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK)
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
27337Interchangeable
interchangeable cross-reference
interchangeable
743495Interchangeable
interchangeable cross-reference
interchangeable
43L10Interchangeable
interchangeable cross-reference
interchangeable
0020615Interchangeable
interchangeable cross-reference
interchangeable
CB27474-002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 2DY421?
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 2DY421?
2DY421 is a SETSCREW.
What parts can replace 2DY421?
There are 5 known substitutes for 2DY421: 27337, 743495, 43L10 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2DY421?
2DY421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-380-9205. 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 — 2DY421

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