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B-32972 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B-32972: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, seat_angle: 70.0 DEGREES NOMINAL, thread_class: 2B, overall_height: 1.188 INCHES NOMINAL IN, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: PLUG. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-073-7519, 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
B-32972
NSN: 4820-01-073-7519
FSC: 4820 — Valves, Nonpowered
CAGE: 63220 — FLOWSERVE INC (USA)
SPECIFICATIONS
materialSTEEL
seat_angle70.0 DEGREES NOMINAL
thread_class2B
overall_height1.188 INCHES NOMINAL IN
outside_diameter1.875 INCHES NOMINAL IN
style_designatorPLUG
nominal_thread_size1.438 INCHES IN
thread_quantity_per_inch16
thread_series_designatorUN
NSN4820-01-073-7519
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-32972 · 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: 1.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 70.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 1.438 INCHES IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 16
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.188 INCHES NOMINAL IN
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE70.0 DEGREES NOMINAL
NOMINAL THREAD SIZE1.438 INCHES IN
THREAD CLASS2B
THREAD QUANTITY PER INCH16
MATERIALSTEEL
THREAD SERIES DESIGNATORUN
SUBSTITUTES & CROSS-REFERENCES 1
B-32972-880ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-32972?
B-32972 is a DISK,VALVE.
What parts can replace B-32972?
There is 1 known substitute for B-32972: B-32972-880A. Substitute compatibility should be verified for your specific system.
What is the NSN for B-32972?
B-32972 is cataloged in the U.S. Government catalog under NSN 4820-01-073-7519. 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.