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N1-791 — GEAR AND SHAFT ASSEMBLY,HELICAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N1-791: GEAR AND SHAFT ASSEMBLY,HELICAL.

GEAR AND SHAFT ASSEMBLY,HELICAL. Key specifications include material: NICKEL ALLOY STEM, valve_size: 10.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: STRAIGHT THRU FLANGED ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-235-3607, 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
N1-791
NSN: 4820-01-235-3607
NIINs: 012353607, 013965089
FSC: 4820 — Valves, Nonpowered
CAGE: 95321 — CLOW CORP MARINE VALVE PRODUCTS DIV (USA)
SPECIFICATIONS
materialNICKEL ALLOY STEM
valve_size10.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorSTRAIGHT THRU FLANGED ENDS
nominal_thickness1.438 INCHES ALL ENDS IN
bolt_hole_quantity15 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
face_to_face_distance26.000 INCHES IN
NSN4820-01-235-3607
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N1-791 · 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
•
FLOW CONTROL DEVICE: DISK
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
BOLT CIRCLE NOMINAL DIAMETER: 13.438 INCHES ALL ENDS IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
BOLT HOLE NOMINAL DIAMETER: 0.812 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
FLANGE SHAPEROUND WITH HOLES ALL ENDS
FLANGE FACE DESIGNPLAIN ALL ENDS
BOLT CIRCLE NOMINAL DIAMETER13.438 INCHES ALL ENDS IN
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
BOLT HOLE NOMINAL DIAMETER0.812 INCHES ALL ENDS IN
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VALVE SIZE10.000 INCHES IN
BONNET TYPEOUTSIDE SCREW-YOKE
SUBSTITUTES & CROSS-REFERENCES 3
803-1385623-102Reference document
Same NSN cross-reference
Reference document — Secondary reference
803-1385623Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DD-26 PL CC-34Reference document
Same NSN cross-reference
Reference document — Secondary 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 N1-791?
N1-791 is a GEAR AND SHAFT ASSEMBLY,HELICAL.
What parts can replace N1-791?
There are 3 known substitutes for N1-791: 803-1385623-102, 803-1385623, DD-26 PL CC-34. Substitute compatibility should be verified for your specific system.
What is the NSN for N1-791?
N1-791 is cataloged in the U.S. Government catalog under NSN 4820-01-235-3607. This indicates validated use in U.S. government and defense supply chains.
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