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Technical Data Sheet
PartsTable / COMPONENT / 9H990-0250
9H990-0250 ✓ 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 head_style: HEADLESS (SETSCREW), point_style: POINTLESS, thread_class: 2A A, fastener_length: 0.250 INCHES NOMINAL IN, locking_feature: PATCH THREADS, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-286-7178, 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
9H990-0250
NSN: 5305-01-286-7178
FSC: 5305
CAGE: 25805 — TRANSICOIL LLC DBA ADS TRANSICOIL USE CAGE CODE 82686 FOR CATALOGING DIV TRANSICOIL (USA)
SPECIFICATIONS
head_styleHEADLESS (SETSCREW)
point_stylePOINTLESS
thread_class2A A
fastener_length0.250 INCHES NOMINAL IN
locking_featurePATCH THREADS
thread_directionRIGHT-HAND
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.086 INCHES IN
thread_quantity_per_inch56
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-286-7178
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9H990-0250 · 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: HEADLESS (SETSCREW)
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 56
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEADLESS (SETSCREW)
NOMINAL THREAD DIAMETER0.086 INCHES IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH56
LOCKING FEATUREPATCH THREADS
POINT STYLEPOINTLESS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
VIBRA-TITE FORMULA 3Interchangeable
interchangeable cross-reference
interchangeable
35384124Interchangeable
interchangeable cross-reference
interchangeable
P5407Interchangeable
interchangeable cross-reference
interchangeable
VC3Interchangeable
interchangeable cross-reference
interchangeable
404-3Interchangeable
interchangeable cross-reference
interchangeable
330Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9H990-0250?
9H990-0250 is a SETSCREW.
What parts can replace 9H990-0250?
There are 9 known substitutes for 9H990-0250: VIBRA-TITE FORMULA 3, 35384124, P5407 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9H990-0250?
9H990-0250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-286-7178. 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