PartsTable
Technical Data Sheet
PartsTable / MRO / 193221
193221 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.210 INCHES NOMINAL SINGLE ACTUATOR IN, head_height: 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN, shaft_length: 0.812 INCHES NOMINAL SINGLE ACTUATOR IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-071-1788, 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
MRO→ MRO_GENERAL→ 193221
NSN: 5305-00-071-1788
FSC: 5305
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.210 INCHES NOMINAL SINGLE ACTUATOR IN
head_height0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
shaft_length0.812 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
pole_quantity1 EACH SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length4.515 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
NSN5305-00-071-1788
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 193221 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
MINIMUM YIELD STRENGTH: 120000 POUNDS PER SQUARE INCH LBS
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
THREAD QUANTITY PER INCH: 14
•
THREAD LENGTH: 1.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
END ITEM IDENTIFICATIONMRAP RG-33 AUV; MRAP BUFFALO MK2A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MINIMUM YIELD STRENGTH120000 POUNDS PER SQUARE INCH LBS
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
THREAD QUANTITY PER INCH14
THREAD LENGTH1.250 INCHES MAXIMUM IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
HEAD HEIGHT0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
PC180147Interchangeable
interchangeable cross-reference
interchangeable
K-500-CH-0208Interchangeable
interchangeable cross-reference
interchangeable
180147Interchangeable
interchangeable cross-reference
interchangeable
251539Interchangeable
interchangeable cross-reference
interchangeable
L6497-52Interchangeable
interchangeable cross-reference
interchangeable
W100711-4HTCAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 193221?
193221 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 193221?
There are 22 known substitutes for 193221: PC180147, K-500-CH-0208, 180147 and 19 more. Substitute compatibility should be verified for your specific system.
Is 193221 still available?
193221 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