PartsTable
Technical Data Sheet
PartsTable / MRO / 011139
011139 ✓ 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

The PARTS KIT,CONSTANT SPEED DRIVE is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) OVERALL, body_length: 0.375 INCHES NOMINAL IN, seat_radius: 2.205 INCHES NOMINAL IN, taper_length: 1.875 INCHES NOMINAL IN, body_diameter: 0.125 INCHES NOMINAL IN, terminal_type: WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-593-9884, 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→ 011139
NSN: 4820-00-593-9884
FSC: 4820
CAGE: 9D399 — TAYLOR ENTERPRISES OF VA, LLC DBA TAYLOR FREEZER SALES COMPANY DIV TAYLOR ENTERPRISES OF VA LLC D/B/A TAYLOR FREEZER SALES CO (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) OVERALL
body_length0.375 INCHES NOMINAL IN
seat_radius2.205 INCHES NOMINAL IN
taper_length1.875 INCHES NOMINAL IN
body_diameter0.125 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
overall_height0.320 INCHES NOMINAL IN
style_designatorAXIAL TERMINAL EACH END
body_inside_diameter1.250 INCHES NOMINAL IN
fsc_application_dataCONSTANT SPEED DRIVE HYDRAULIC
taper_major_diameter0.070 INCHES NOMINAL IN
NSN4820-00-593-9884
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 011139 · 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
KEY FEATURES
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: RADIAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FSCM 80739,P/N 11139 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
TAPER LENGTH: 1.875 INCHES NOMINAL IN
•
TAPER MAJOR DIAMETER: 0.070 INCHES NOMINAL IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP) OVERALL
•
TAPER MINOR DIAMETER: 0.030 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
SEATING SURFACE SHAPERADIAL
MATERIAL DOCUMENT AND CLASSIFICATIONFSCM 80739,P/N 11139 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TAPER LENGTH1.875 INCHES NOMINAL IN
OVERALL HEIGHT0.320 INCHES NOMINAL IN
TAPER MAJOR DIAMETER0.070 INCHES NOMINAL IN
MATERIALPLASTIC, POLYETHYLENE (PP) OVERALL
TAPER MINOR DIAMETER0.030 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
SEAL ACCOMMODATION TYPESLEEVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
HE1040Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-5423/14Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-5423/14Interchangeable
interchangeable cross-reference
interchangeable
GH511CY1Interchangeable
interchangeable cross-reference
interchangeable
11139Interchangeable
interchangeable cross-reference
interchangeable
255TM2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 011139?
011139 is a PARTS KIT,CONSTANT SPEED DRIVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 011139?
There are 21 known substitutes for 011139: HE1040, MIL-B-5423/14, MIL-DTL-5423/14 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 011139?
011139 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-593-9884. 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