PartsTable
Technical Data Sheet
Download PDF

NB21566525 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NB21566525: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 0.750 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, style_designator: PLAIN FLANGED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-293-8595, 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
NB21566525
NSN: 4820-01-293-8595
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length0.750 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
NSN4820-01-293-8595
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NB21566525 · 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
•
STYLE DESIGNATOR: PLAIN FLANGED
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN FLANGED
OVERALL LENGTH0.750 INCHES NOMINAL IN
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 3
N-423 ITEM 23Reference document
Same NSN cross-reference
Reference document — Secondary reference
N-423Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
15665Reference 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
Ready to buy NB21566525?
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 NB21566525?
NB21566525 is a GUIDE,VALVE STEM.
What parts can replace NB21566525?
There are 3 known substitutes for NB21566525: N-423 ITEM 23, N-423, 15665. Substitute compatibility should be verified for your specific system.
What is the NSN for NB21566525?
NB21566525 is cataloged in the U.S. Government catalog under NSN 4820-01-293-8595. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NB21566525

✓ 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.