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Technical Data Sheet
PartsTable / COMPONENT / SS16
SS16 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, duty_type: INTERMITTENT, head_style: HEXAGON, grip_length: 0.625 INCHES NOMINAL IN, head_height: 0.203 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-270-9393, 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
SS16
NSN: 5306-00-270-9393
FSC: 5306
CAGE: 17431 — ILLINOIS TOOL WORKS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
duty_typeINTERMITTENT
head_styleHEXAGON
grip_length0.625 INCHES NOMINAL IN
head_height0.203 INCHES NOMINAL IN
thread_class2A A
coil_quantity1
overall_width3.490 INCHES NOMINAL IN
thread_length0.875 INCHES MINIMUM IN
overall_height2.469 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
fastener_length1.500 INCHES NOMINAL IN
NSN5306-00-270-9393
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS16 · 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
•
GRIP LENGTH: 0.625 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 18
•
HEAD HEIGHT: 0.203 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GRIP LENGTH0.625 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
THREAD LENGTH0.875 INCHES MINIMUM IN
THREAD QUANTITY PER INCH18
HEAD HEIGHT0.203 INCHES NOMINAL IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 GRADE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SS1-6Interchangeable
interchangeable cross-reference
interchangeable
21A11450Interchangeable
interchangeable cross-reference
interchangeable
35660Interchangeable
interchangeable cross-reference
interchangeable
SOFT SET THREAD SEALANTInterchangeable
interchangeable cross-reference
interchangeable
MILB857ASHIPSTYPE2GRADE5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS16?
SS16 is a RELAY,ELECTROMAGNETIC.
What parts can replace SS16?
There are 5 known substitutes for SS16: SS1-6, 21A11450, 35660 and 2 more. Substitute compatibility should be verified for your specific system.
Is SS16 still available?
SS16 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