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4743A PIECE 2 — Technical Data Sheet

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— · 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL, overall_height: 0.250 INCHES NOMINAL IN, inside_diameter: 0.375 INCHES NOMINAL IN, outside_diameter: 1.094 INCHES NOMINAL IN, style_designator: PLAIN, media_for_which_designed: AIR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-091-3126, 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
4743A PIECE 2
NSN: 4820-01-091-3126
FSC: 4820
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
overall_height0.250 INCHES NOMINAL IN
inside_diameter0.375 INCHES NOMINAL IN
outside_diameter1.094 INCHES NOMINAL IN
style_designatorPLAIN
media_for_which_designedAIR
NSN4820-01-091-3126
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4743A PIECE 2 · 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
•
OUTSIDE DIAMETER: 1.094 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: AIR
•
MATERIAL: PLASTIC ACETAL
•
INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER1.094 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDAIR
MATERIALPLASTIC ACETAL
INSIDE DIAMETER0.375 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
7034InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
05005201InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5403-22InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DR2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S3568InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3206837InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4743A PIECE 2?
4743A PIECE 2 is a RELAY,ELECTROMAGNETIC.
What parts can replace 4743A PIECE 2?
There are 22 known substitutes for 4743A PIECE 2: 7034, 05005201, 5403-22 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4743A PIECE 2?
4743A PIECE 2 is cataloged in the Federal Logistics Information System under NSN 4820-01-091-3126. 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: September 2026