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Technical Data Sheet
PartsTable / MRO / C-158
C-158 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: FIBER AND RUBBER BODY, body_style: CYLINDRICAL BUSHING MOUNTED, body_width: 1.203 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, body_length: 0.875 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-035-9893, 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→ C-158
NSN: 4810-00-035-9893
FSC: 4810
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
body_styleCYLINDRICAL BUSHING MOUNTED
body_width1.203 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
body_length0.875 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
bearing_typeBALL SHAFT
shaft_length0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter1.625 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length1.891 INCHES MAXIMUM IN
NSN4810-00-035-9893
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-158 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40433Interchangeable
interchangeable cross-reference
interchangeable
MILC12854Interchangeable
interchangeable cross-reference
interchangeable
SCD2878Interchangeable
interchangeable cross-reference
interchangeable
SA18667Interchangeable
interchangeable cross-reference
interchangeable
CW104MInterchangeable
interchangeable cross-reference
interchangeable
MS39257C158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-158?
C-158 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace C-158?
There are 14 known substitutes for C-158: 40433, MILC12854, SCD2878 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C-158?
C-158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-035-9893. 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