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239979 ✓ Verified by PartsTable
— · GATE VALVE
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

SLEEVE,DIRECTIONAL CONTROL LINEA. Key specifications include body_style: BUSHING MOUNTED, body_length: 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN, thread_class: 2A A, body_diameter: 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN, overall_width: 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN, bushing_length: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-980-2379, 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
239979
NSN: 4820-00-980-2379
FSC: 4820
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_length0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
thread_class2A A
body_diameter0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
overall_width0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
bushing_length0.625 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
overall_length3.150 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
special_featuresELECTROSTATIC DISCHARGE SENSITIVE AND NUCLEAR HARDNESS CRITICAL ITEM
features_providedACTUATOR SEAL
NSN4820-00-980-2379
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 239979 · 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 24
172-3-12Interchangeable
interchangeable cross-reference
interchangeable
172-3-9Interchangeable
interchangeable cross-reference
interchangeable
BB25136Interchangeable
interchangeable cross-reference
interchangeable
685137Interchangeable
interchangeable cross-reference
interchangeable
N21133BInterchangeable
interchangeable cross-reference
interchangeable
50075-4DITEM39Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 239979?
239979 is a SLEEVE,DIRECTIONAL CONTROL LINEA.
What parts can replace 239979?
There are 24 known substitutes for 239979: 172-3-12, 172-3-9, BB25136 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 239979?
239979 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-980-2379. 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