PartsTable
Technical Data Sheet
191950 ✓ 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 COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, shaft_length: 0.660 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 3A A, pole_quantity: 2 EACH SECTION FRONT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-724-5898, 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 191950
NSN: 5305-00-724-5898
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
shaft_length0.660 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class3A A
pole_quantity2 EACH SECTION FRONT
terminal_typeTAB W/SCREW
thread_length0.390 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_length3.120 INCHES NOMINAL IN
throw_quantity2 EACH SECTION REAR
fastener_length0.375 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
NSN5305-00-724-5898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 191950 · 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
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
INTERNAL DRIVE STYLE: HEXAGON
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
THREAD LENGTH: 0.375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH: 18
MATERIAL: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.375 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
INTERNAL DRIVE STYLEHEXAGON
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD LENGTH0.375 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
POINT STYLECUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
5K19103Interchangeable
interchangeable cross-reference
interchangeable
SK19101SIZE3618Interchangeable
interchangeable cross-reference
interchangeable
1184F1PC90Interchangeable
interchangeable cross-reference
interchangeable
MX242266-3Interchangeable
interchangeable cross-reference
interchangeable
MX242268PC84T091Interchangeable
interchangeable cross-reference
interchangeable
MX242268PC84T91Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 191950?
191950 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 191950?
There are 20 known substitutes for 191950: 5K19103, SK19101SIZE3618, 1184F1PC90 and 17 more. Substitute compatibility should be verified for your specific system.
Is 191950 still available?
191950 is currently cancelled.
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