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6532-37-6 ITEM 20 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include angle: 38.0 DEGREES, material: RUBBER CHLOROPRENE CLASS CR BODY, hole_type: DRILLED, tube_type: TRIODE, head_style: FLAT CHAMFER, head_height: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-281-4487, 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
6532-37-6 ITEM 20
NSN: 4820-01-281-4487
FSC: 4820
CAGE: 01496 — AIR DRY CO OF AMERICA, LLC (USA)
SPECIFICATIONS
angle38.0 DEGREES
materialRUBBER CHLOROPRENE CLASS CR BODY
hole_typeDRILLED
tube_typeTRIODE
head_styleFLAT CHAMFER
head_height0.250 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
hole_diameter0.050 INCHES NOMINAL IN
hole_quantity2
nominal_width0.4375 INCHES IN
thread_length0.620 INCHES MINIMUM IN
NSN4820-01-281-4487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6532-37-6 ITEM 20 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
8393InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
157-0107-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
RELEASE4690InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5-4168InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C9PZ8620CFInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5101500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6532-37-6 ITEM 20?
6532-37-6 ITEM 20 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 6532-37-6 ITEM 20?
There are 11 known substitutes for 6532-37-6 ITEM 20: 8393, 157-0107-00, RELEASE4690 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6532-37-6 ITEM 20?
6532-37-6 ITEM 20 is cataloged in the Federal Logistics Information System under NSN 4820-01-281-4487. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026