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Technical Data Sheet
PartsTable / COMPONENT / 0S1616
0S1616 ✓ 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 OVERALL, head_style: HEXAGON, head_height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES THREADS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-063-4998, 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
0S1616
NSN: 5306-00-063-4998
FSC: 5306
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
thread_class2A A
thread_length0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES THREADS
fastener_length0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentZINC AND CHROMATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
NSN5306-00-063-4998
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0S1616 · 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: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 0.750 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD LENGTH0.750 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
GRIP LENGTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
6477-32Interchangeable
interchangeable cross-reference
interchangeable
50055Interchangeable
interchangeable cross-reference
interchangeable
S1616Interchangeable
interchangeable cross-reference
interchangeable
2620-920X12ASSY11APC4Interchangeable
interchangeable cross-reference
interchangeable
845-2181282-3INInterchangeable
interchangeable cross-reference
interchangeable
845-2445066 ITEM 19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0S1616?
0S1616 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 0S1616?
There are 6 known substitutes for 0S1616: 6477-32, 50055, S1616 and 3 more. Substitute compatibility should be verified for your specific system.
Is 0S1616 still available?
0S1616 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026