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PartsTable / COMPONENT / D-1994 PIECE 13 1IN
D-1994 PIECE 13 1IN ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL CORROSION RESISTING OVERALL, style_designator: PLAIN, body_inside_diameter: 1.000 INCHES NOMINAL IN, seating_surface_shape: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-4684, 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
D-1994 PIECE 13 1IN
NSN: 4820-01-091-4684
FSC: 4820
CAGE: 17062 — P J VALVES INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
style_designatorPLAIN
body_inside_diameter1.000 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-01-091-4684
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-1994 PIECE 13 1IN · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN
MATERIALSTEEL CORROSION RESISTING OVERALL
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
K-50S2T4Interchangeable
interchangeable cross-reference
interchangeable
4057-77PIECE55Interchangeable
interchangeable cross-reference
interchangeable
A1909Interchangeable
interchangeable cross-reference
interchangeable
D-1994Interchangeable
interchangeable cross-reference
interchangeable
D-1994 SIZE 2INInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-18436Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D-1994 PIECE 13 1IN?
D-1994 PIECE 13 1IN is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace D-1994 PIECE 13 1IN?
There are 18 known substitutes for D-1994 PIECE 13 1IN: K-50S2T4, 4057-77PIECE55, A1909 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D-1994 PIECE 13 1IN?
D-1994 PIECE 13 1IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-091-4684. 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