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P837A — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

P837A: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_height: 0.352 INCHES NOMINAL IN, inside_diameter: 0.750 INCHES NOMINAL IN, outside_diameter: 1.634 INCHES NOMINAL IN, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-035-9688, 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
P837A
NSN: 4820-00-035-9688
FSC: 4820 — Valves, Nonpowered
CAGE: 70667 — ATLAS VALVE CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height0.352 INCHES NOMINAL IN
inside_diameter0.750 INCHES NOMINAL IN
outside_diameter1.634 INCHES NOMINAL IN
style_designatorPLAIN
NSN4820-00-035-9688
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: P837A · 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
•
OUTSIDE DIAMETER: 1.634 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.352 INCHES NOMINAL IN
OUTSIDE DIAMETER1.634 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
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 1
P837A-APSame 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 P837A?
P837A is a DISK,VALVE.
What parts can replace P837A?
There is 1 known substitute for P837A: P837A-AP. Substitute compatibility should be verified for your specific system.
What is the NSN for P837A?
P837A is cataloged in the U.S. Government catalog under NSN 4820-00-035-9688. 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.