PartsTable
Technical Data Sheet
PartsTable / COMPONENT / R-842
R-842 ✓ 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,GATE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, stem_type: NONRISING, connection_type: FLANGE, ROUND W/HOLES, flange_diameter: 4.687 INCHES IN, flange_face_design: PLAIN, face_to_face_distance: 4.500 INCHES 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 4820-00-912-4019, 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
R-842
NSN: 4820-00-912-4019
FSC: 4820
CAGE: 71905 — DERBYSHIRE MACHINE & TOOL CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
stem_typeNONRISING
connection_typeFLANGE, ROUND W/HOLES
flange_diameter4.687 INCHES IN
bolt_hole_quantity4
flange_face_designPLAIN
face_to_face_distance4.500 INCHES IN
valve_operation_methodMANUAL
inlet_relationship_with_outletIDENTICAL
NSN4820-00-912-4019
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R-842 · 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
•
FACE TO FACE DISTANCE: 4.500 INCHES IN
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
VALVE OPERATION METHOD: MANUAL
•
BOLT HOLE QUANTITY: 4
•
FLANGE DIAMETER: 4.687 INCHES IN
•
FLANGE FACE DESIGN: PLAIN
•
CONNECTION TYPE: FLANGE, ROUND W/HOLES
•
STEM TYPE: NONRISING
TECHNICAL CHARACTERISTICS (FLIS)
FACE TO FACE DISTANCE4.500 INCHES IN
INLET RELATIONSHIP WITH OUTLETIDENTICAL
VALVE OPERATION METHODMANUAL
BOLT HOLE QUANTITY4
FLANGE DIAMETER4.687 INCHES IN
FLANGE FACE DESIGNPLAIN
CONNECTION TYPEFLANGE, ROUND W/HOLES
STEM TYPENONRISING
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A2930-9Interchangeable
interchangeable cross-reference
interchangeable
X7791Interchangeable
interchangeable cross-reference
interchangeable
22370Interchangeable
interchangeable cross-reference
interchangeable
AL-128515Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy R-842?
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 R-842?
R-842 is a VALVE,GATE.
What parts can replace R-842?
There are 4 known substitutes for R-842: A2930-9, X7791, 22370 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-842?
R-842 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-912-4019. This indicates validated use in U.S. government and defense supply chains.
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 — R-842

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026