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Technical Data Sheet
PartsTable / COMPONENT / 16021ADX
16021ADX ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.078 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.187 INCHES MAXIMUM IN, thread_length: 0.113 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, screw_material: STEEL COMP 303. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-077-0152, 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
16021ADX
NSN: 5305-01-077-0152
FSC: 5305
CAGE: 1VN02 — AIRDALE EXPRESS LLC DIV AIRDALE EXPRESS (USA)
SPECIFICATIONS
head_styleROUND
head_height0.078 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.187 INCHES MAXIMUM IN
thread_length0.113 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.155 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.099 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch48
NSN5305-01-077-0152
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 16021ADX · 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
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
HEAD DIAMETER: 0.187 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.155 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
SCREW MATERIAL: STEEL COMP 303
•
THREAD QUANTITY PER INCH: 48
•
HEAD STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
HEAD DIAMETER0.187 INCHES MAXIMUM IN
FASTENER LENGTH0.155 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
SCREW MATERIALSTEEL COMP 303
THREAD QUANTITY PER INCH48
HEAD STYLEROUND
NOMINAL THREAD DIAMETER0.099 INCHES IN
THREAD LENGTH0.113 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
789HInterchangeable
interchangeable cross-reference
interchangeable
788HInterchangeable
interchangeable cross-reference
interchangeable
401887Interchangeable
interchangeable cross-reference
interchangeable
16021Interchangeable
interchangeable cross-reference
interchangeable
816021-002Interchangeable
interchangeable cross-reference
interchangeable
PB1Z3351Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16021ADX?
16021ADX is a SCREW,MACHINE.
What parts can replace 16021ADX?
There are 14 known substitutes for 16021ADX: 789H, 788H, 401887 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16021ADX?
16021ADX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-077-0152. 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