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PartsTable / COMPONENT / 2124185
2124185 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 3.500 INCHES MAXIMUM IN, fastener_length: 3.500 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 5305-00-720-9124, 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
2124185
NSN: 5305-00-720-9124
FSC: 5305
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
thread_class2A A
thread_length3.500 INCHES MAXIMUM IN
fastener_length3.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.716 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5305-00-720-9124
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2124185 · 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: 0.250 INCHES IN
•
THREAD LENGTH: 3.500 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.716 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.500 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD LENGTH3.500 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HEAD HEIGHT0.156 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.716 INCHES NOMINAL IN
FASTENER LENGTH3.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTPASSIVATE OVERALL
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10179Interchangeable
interchangeable cross-reference
interchangeable
G650242-1Interchangeable
interchangeable cross-reference
interchangeable
707-0325-26Interchangeable
interchangeable cross-reference
interchangeable
AS4842/1Interchangeable
interchangeable cross-reference
interchangeable
01430Interchangeable
interchangeable cross-reference
interchangeable
10-25562Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2124185?
2124185 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 2124185?
There are 15 known substitutes for 2124185: 10179, G650242-1, 707-0325-26 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2124185?
2124185 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-720-9124. 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