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135993 — SWITCH,ROTARY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

135993: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL, shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 2.250 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A NUT THREAD A, overall_width: 1.250 INCHES NOMINAL IN, pole_quantity: 2 EACH SECTION REAR. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-281-6820, 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→ 135993
NSN: 5307-00-281-6820
NIINs: 002816820, 008560289
FSC: 5307 — Studs
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL
shaft_typeROUND SINGLE ACTUATOR
shaft_length2.250 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A NUT THREAD A
overall_width1.250 INCHES NOMINAL IN
pole_quantity2 EACH SECTION REAR
terminal_typeTAB, SOLDER LUG
thread_length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.312 INCHES NOMINAL IN
overall_length3.438 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
throw_quantity5 EACH SECTION REAR
NSN5307-00-281-6820
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 135993 · 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
•
THREAD LENGTH: 0.750 INCHES MAXIMUM STUD THREAD IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.625 INCHES NUT THREAD IN
•
THREAD CLASS: 2A STUD THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.750 INCHES MAXIMUM STUD THREAD IN
THREAD LENGTH1.125 INCHES MAXIMUM NUT THREAD IN
OVERALL LENGTH2.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.625 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.625 INCHES STUD THREAD IN
THREAD CLASS2A STUD THREAD A
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH18 NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 1
4X1077Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 135993?
135993 is a SWITCH,ROTARY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 135993?
There is 1 known substitute for 135993: 4X1077. Substitute compatibility should be verified for your specific system.
What is the NSN for 135993?
135993 is cataloged in the U.S. Government catalog under NSN 5307-00-281-6820. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.