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PartsTable / COMPONENT / 40176-02-22
40176-02-22 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.438 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.875 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 2.875 INCHES SINGLE THREADED PORTION IN, body_inside_diameter: 2.500 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 4820-01-093-9078, 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
40176-02-22
NSN: 4820-01-093-9078
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
thread_class2A SINGLE THREADED PORTION A
thread_length0.438 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.875 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size2.875 INCHES SINGLE THREADED PORTION IN
body_inside_diameter2.500 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch11 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-093-9078
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40176-02-22 · 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
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
NOMINAL THREAD SIZE: 2.875 INCHES SINGLE THREADED PORTION IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL SINGLE THREADED PORTION IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 2.500 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
STYLE DESIGNATOR: PLAIN THREADED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.875 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
NOMINAL THREAD SIZE2.875 INCHES SINGLE THREADED PORTION IN
THREAD LENGTH0.438 INCHES NOMINAL SINGLE THREADED PORTION IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER2.500 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
STYLE DESIGNATORPLAIN THREADED
SEATING SURFACE SHAPEFLAT
THREAD QUANTITY PER INCH11 SINGLE THREADED PORTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6264302Interchangeable
interchangeable cross-reference
interchangeable
87761Interchangeable
interchangeable cross-reference
interchangeable
992DInterchangeable
interchangeable cross-reference
interchangeable
992-D-21Interchangeable
interchangeable cross-reference
interchangeable
2941Interchangeable
interchangeable cross-reference
interchangeable
2941-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40176-02-22?
40176-02-22 is a SEAT,VALVE.
What parts can replace 40176-02-22?
There are 18 known substitutes for 40176-02-22: 6264302, 87761, 992D and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40176-02-22?
40176-02-22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-093-9078. 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