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181547-81CP — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

181547-81CP: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, seat_radius: 0.0025 INCHES MAXIMUM IN, overall_height: 0.225 INCHES NOMINAL IN, style_designator: PLAIN, body_outside_diameter: 1.499 INCHES MINIMUM IN, seating_surface_shape: RADIAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-241-2011, 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
181547-81CP
NSN: 4820-01-241-2011
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
seat_radius0.0025 INCHES MAXIMUM IN
overall_height0.225 INCHES NOMINAL IN
style_designatorPLAIN
body_outside_diameter1.499 INCHES MINIMUM IN
seating_surface_shapeRADIAL
body_stepped_inside_diameter0.878 INCHES MAXIMUM SECOND STEP IN
criticality_code_justificationZZZY
material_document_and_classificationMIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
NSN4820-01-241-2011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 181547-81CP · 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
•
BODY OUTSIDE DIAMETER: 1.499 INCHES MINIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
BODY STEPPED INSIDE DIAMETER: 0.878 INCHES MAXIMUM SECOND STEP IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SEAT RADIUS: 0.0025 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.225 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.499 INCHES MINIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZY
BODY STEPPED INSIDE DIAMETER0.878 INCHES MAXIMUM SECOND STEP IN
BODY STEPPED INSIDE DIAMETER0.987 INCHES MINIMUM FIRST STEP IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-M-20693 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SEAT RADIUS0.0025 INCHES MAXIMUM IN
MATERIALPLASTIC OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
SUBSTITUTES & CROSS-REFERENCES 1
181547-81Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 181547-81CP?
181547-81CP is a SEAT,VALVE.
What parts can replace 181547-81CP?
There is 1 known substitute for 181547-81CP: 181547-81. Substitute compatibility should be verified for your specific system.
What is the NSN for 181547-81CP?
181547-81CP is cataloged in the U.S. Government catalog under NSN 4820-01-241-2011. This indicates validated use in U.S. government and defense supply chains.
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