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Technical Data Sheet
PartsTable / COMPONENT / 12-356
12-356 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: ALUMINUM ALLOY, body_style: SURFACE MOUNT, case_style: SQUARE, point_type: SPLIT, seal_width: 0.250 INCHES NOMINAL IN, point_angle: 135.0 DEGREES NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-075-4191, 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
12-356
NSN: 5305-00-075-4191
FSC: 5305
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_styleSURFACE MOUNT
case_styleSQUARE
point_typeSPLIT
seal_width0.250 INCHES NOMINAL IN
point_angle135.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length1.250 INCHES NOMINAL IN
sight_height3.875 INCHES NOMINAL IN
thread_classUNABLE TO DECODE
overall_width12.500 INCHES NOMINAL IN
furnished_dataLIQUID LEVEL AND LIQUID TEMPERATURE
NSN5305-00-075-4191
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12-356 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
10145223Interchangeable
interchangeable cross-reference
interchangeable
229969-0002Interchangeable
interchangeable cross-reference
interchangeable
12-356Interchangeable
interchangeable cross-reference
interchangeable
7412SInterchangeable
interchangeable cross-reference
interchangeable
17123Interchangeable
interchangeable cross-reference
interchangeable
300C 3/32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12-356?
12-356 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 12-356?
There are 14 known substitutes for 12-356: 10145223, 229969-0002, 12-356 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12-356?
12-356 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-075-4191. 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