PartsTable
Technical Data Sheet
1281N3IN ✓ 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 VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, flange_shape: ROUND WITH HOLES FIRST END, connection_type: FLANGE FIRST END, style_designator: STRAIGHT THRU, mounting_position: HORIZONTAL OR VERTICAL, nominal_thickness: 0.625 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-266-9518, 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
1281N3IN
NSN: 4820-00-266-9518
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flange_shapeROUND WITH HOLES FIRST END
connection_typeFLANGE FIRST END
style_designatorSTRAIGHT THRU
mounting_positionHORIZONTAL OR VERTICAL
nominal_thickness0.625 INCHES FIRST END IN
bolt_hole_quantity8 FIRST END
flange_face_designPLAIN FIRST END
flow_control_deviceDISK
face_to_face_distance9.000 INCHES IN
valve_operation_methodAUTOMATIC
nominal_outside_diameter6.625 INCHES FIRST END IN
NSN4820-00-266-9518
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1281N3IN · 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
NOMINAL OUTSIDE DIAMETER: 6.625 INCHES FIRST END IN
NOMINAL THICKNESS: 0.625 INCHES FIRST END IN
FLANGE SHAPE: ROUND WITH HOLES FIRST END
MATERIAL: COPPER ALLOY BODY
CONNECTION TYPE: FLANGE FIRST END
FACE TO FACE DISTANCE: 9.000 INCHES IN
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER6.625 INCHES FIRST END IN
NOMINAL THICKNESS0.625 INCHES FIRST END IN
FLANGE SHAPEROUND WITH HOLES FIRST END
MATERIALCOPPER ALLOY BODY
CONNECTION TYPEFLANGE FIRST END
FACE TO FACE DISTANCE9.000 INCHES IN
STYLE DESIGNATORSTRAIGHT THRU
MATERIALNICKEL ALLOY SEAT
BOLT CIRCLE NOMINAL DIAMETER5.500 INCHES FIRST END IN
VALVE OPERATION METHODAUTOMATIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4500-2Interchangeable
interchangeable cross-reference
interchangeable
MS15687-2Interchangeable
interchangeable cross-reference
interchangeable
1301-9104Interchangeable
interchangeable cross-reference
interchangeable
D-701Interchangeable
interchangeable cross-reference
interchangeable
3PHP5Interchangeable
interchangeable cross-reference
interchangeable
Z0RXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1281N3IN?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1281N3IN?
1281N3IN is a VALVE,CHECK.
What parts can replace 1281N3IN?
There are 18 known substitutes for 1281N3IN: 4500-2, MS15687-2, 1301-9104 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1281N3IN still available?
1281N3IN is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1281N3IN