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20437-1010 — GUIDE,VALVE STEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20437-1010: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, bore_diameter: 0.7700 INCHES NOMINAL IN, overall_length: 2.584 INCHES NOMINAL IN, aa_end_diameter: 1.275 INCHES NOMINAL IN, bore_counterbore: INCLUDED, bore_countersink: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-107-7587, 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
20437-1010
NSN: 4820-01-107-7587
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialCOPPER ALLOY
bore_diameter0.7700 INCHES NOMINAL IN
overall_length2.584 INCHES NOMINAL IN
aa_end_diameter1.275 INCHES NOMINAL IN
bore_counterboreINCLUDED
bore_countersinkNOT INCLUDED
outside_diameter1.865 INCHES NOMINAL IN
style_designatorPLAIN-SHOULDERED
counterbore_depth2.215 INCHES NOMINAL IN
counterbore_diameter0.875 INCHES NOMINAL IN
counterbore_locationAA END
bb_end_shank_diameter1.750 INCHES NOMINAL IN
NSN4820-01-107-7587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20437-1010 · 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
•
MAJOR DIAMETER LENGTH: 0.895 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN-SHOULDERED
•
BORE COUNTERBORE: INCLUDED
•
OUTSIDE DIAMETER: 1.865 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 2.215 INCHES NOMINAL IN
•
COUNTERBORE LOCATION: AA END
TECHNICAL CHARACTERISTICS
MAJOR DIAMETER LENGTH0.895 INCHES NOMINAL IN
BB END SHANK DIAMETER1.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN-SHOULDERED
OVERALL LENGTH2.584 INCHES NOMINAL IN
BORE COUNTERBOREINCLUDED
OUTSIDE DIAMETER1.865 INCHES NOMINAL IN
COUNTERBORE DEPTH2.215 INCHES NOMINAL IN
COUNTERBORE LOCATIONAA END
COUNTERBORE DIAMETER0.875 INCHES NOMINAL IN
AA END DIAMETER1.275 INCHES NOMINAL IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 20437-1010?
20437-1010 is a GUIDE,VALVE STEM.
What is the NSN for 20437-1010?
20437-1010 is cataloged in the U.S. Government catalog under NSN 4820-01-107-7587. 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.