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Technical Data Sheet
PartsTable / COMPONENT / 14838-1
14838-1 ✓ 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

The STEM,PRESSURE CONTROL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-795-7053, 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
14838-1
NSN: 4820-00-795-7053
FSC: 4820
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
Part Number14838-1
NSN4820-00-795-7053
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 14838-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,STAINLESS,TYPE 302 PER MIL-S-7720-1,PASSIVATE FINISH PER AES 64186,0.500 IN. OD,0.182 MIN,0.187 MAX IN. W ACROSS FLATS OF 0.094 IN. LG SHOULDER,0.217 IN. SHOULDER DIA,0.016 IN. CORNER R,0.016 IN.X 45.0 DEG CHAMFER,0.734 IN. O/A LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,STAINLESS,TYPE 302 PER MIL-S-7720-1,PASSIVATE FINISH PER AES 64186,0.500 IN. OD,0.182 MIN,0.187 MAX IN. W ACROSS FLATS OF 0.094 IN. LG SHOULDER,0.217 IN. SHOULDER DIA,0.016 IN. CORNER R,0.016 IN.X 45.0 DEG CHAMFER,0.734 IN. O/A LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
14838Interchangeable
interchangeable cross-reference
interchangeable
14838-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 14838-1?
14838-1 is a STEM,PRESSURE CONTROL.
What parts can replace 14838-1?
There are 2 known substitutes for 14838-1: 14838, 14838-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 14838-1?
14838-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-795-7053. 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