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B2071 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B2071: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SCREW, flange_shape: ROUND WITH HOLES ALL ENDS, overall_height: 3.312 INCHES NOMINAL IN, shank_diameter: 1.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-132-4659, 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
B2071
NSN: 4820-01-132-4659
NIINs: 011324659, 011844690, 011929562
FSC: 4820 — Valves, Nonpowered
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialCOPPER ALLOY
valve_size0.500 INCHES IN
bonnet_typeINSIDE SCREW
flange_shapeROUND WITH HOLES ALL ENDS
overall_height3.312 INCHES NOMINAL IN
shank_diameter1.812 INCHES NOMINAL IN
connection_typeFLANGE ALL ENDS
flange_diameter6.125 INCHES NOMINAL IN
special_featuresCOMBINATION PUMP AND VALVE MODEL 110 CHECK VALVE
style_designatorPOPPET
nominal_thickness0.438 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
NSN4820-01-132-4659
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B2071 · 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
•
SHANK DIAMETER: 1.812 INCHES NOMINAL IN
•
FLANGE DIAMETER: 6.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SHANK DIAMETER1.812 INCHES NOMINAL IN
FLANGE DIAMETER6.125 INCHES NOMINAL IN
OVERALL HEIGHT3.312 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
C-2660-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
026603A1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 B2071?
B2071 is a GUIDE,VALVE STEM.
What parts can replace B2071?
There are 2 known substitutes for B2071: C-2660-3, 026603A1. Substitute compatibility should be verified for your specific system.
What is the NSN for B2071?
B2071 is cataloged in the U.S. Government catalog under NSN 4820-01-132-4659. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.