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Technical Data Sheet
PartsTable / COMPONENT / 231591
231591 ✓ 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 SENSITIVITY DISCS,DIAGNOSTIC is a the manufacturer industrial component. Key specifications include material: PAPER, body_width: 1.180 INCHES MAXIMUM IN, slot_depth: 0.188 INCHES SINGLE END IN, slot_width: 0.065 INCHES SINGLE END IN, body_height: 1.430 INCHES MAXIMUM IN, body_length: 1.750 INCHES MAXIMUM 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 4820-00-375-7795, 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
231591
NSN: 4820-00-375-7795
FSC: 4820
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialPAPER
body_width1.180 INCHES MAXIMUM IN
slot_depth0.188 INCHES SINGLE END IN
slot_width0.065 INCHES SINGLE END IN
body_height1.430 INCHES MAXIMUM IN
body_length1.750 INCHES MAXIMUM IN
taper_length0.438 INCHES NOMINAL IN
usage_designTESTING OF BACTERIAL PATHOGENS
largest_width0.168 INCHES SINGLE END IN
thread_length0.156 INCHES IN
inclosure_typeFULLY INCLOSED
overall_height0.625 INCHES IN
NSN4820-00-375-7795
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 231591 · 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
•
UNDER FLANGE HEIGHT: 0.313 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEATING SURFACE SHAPE: ANGULAR
•
STYLE DESIGNATOR: THREADED FLANGED
•
TAPER LENGTH: 0.438 INCHES NOMINAL IN
•
TAPER MINOR DIAMETER: 0.487 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.094 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 22.000 NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
UNDER FLANGE HEIGHT0.313 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEANGULAR
STYLE DESIGNATORTHREADED FLANGED
TAPER LENGTH0.438 INCHES NOMINAL IN
TAPER MINOR DIAMETER0.487 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.094 INCHES NOMINAL IN
SEAT ANGLE IN DEG22.000 NOMINAL
TAPER MAJOR DIAMETER0.875 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.245 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
572-4862-01-05-16Interchangeable
interchangeable cross-reference
interchangeable
23159-1Interchangeable
interchangeable cross-reference
interchangeable
73-805628-1Interchangeable
interchangeable cross-reference
interchangeable
2-3159Interchangeable
interchangeable cross-reference
interchangeable
ASP3117-16Interchangeable
interchangeable cross-reference
interchangeable
C23159-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 231591?
231591 is a SENSITIVITY DISCS,DIAGNOSTIC.
What parts can replace 231591?
There are 15 known substitutes for 231591: 572-4862-01-05-16, 23159-1, 73-805628-1 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 231591?
231591 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-375-7795. 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