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PartsTable / COMPONENT / C11339B
C11339B ✓ 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

VALVE ASSEMBLY,INLET,SEPARATOR D. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.375 INCHES NOMINAL IN, case_style: SQUARE, seal_width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, design_form: DOUBLE-ENDED, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-023-7825, 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
C11339B
NSN: 4820-01-023-7825
FSC: 4820
CAGE: 91161 — ELECTRO IMPULSE LABORATORY INC DBA ELECTRO IMPULSE INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.375 INCHES NOMINAL IN
case_styleSQUARE
seal_width0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
design_formDOUBLE-ENDED
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
thread_size0.562-18 LOCATION NOT OTHERWISE SPECIFIED
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_width0.656 INCHES NOMINAL IN
overall_length2.906 INCHES NOMINAL IN
furnished_itemsSEAT LOCATION NOT OTHERWISE SPECIFIED
connection_styleFLARELESS LOCATION NOT OTHERWISE SPECIFIED
NSN4820-01-023-7825
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C11339B · 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
8-5172S1Interchangeable
interchangeable cross-reference
interchangeable
73S03Interchangeable
interchangeable cross-reference
interchangeable
113-6Interchangeable
interchangeable cross-reference
interchangeable
11339Interchangeable
interchangeable cross-reference
interchangeable
309-4Interchangeable
IBM 1GB Main Storage 800/810
interchangeable
450160Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C11339B?
C11339B is a VALVE ASSEMBLY,INLET,SEPARATOR D.
What parts can replace C11339B?
There are 14 known substitutes for C11339B: 8-5172S1, 73S03, 113-6 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C11339B?
C11339B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-023-7825. 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