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MODEL63BUWITH3XFLOWNOSPRING — LIMITER,PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MODEL63BUWITH3XFLOWNOSPRING: LIMITER,PRESSURE.

The LIMITER,PRESSURE is a the manufacturer industrial component. Key specifications include end_item_identification: AIR DATA COMPUTER,MODEL AN/ASM-442, general_characteristics_item_description: SUPPLY PRESSURE,LOCAL AMBIENT TO0.800 IN. HG IN, reference_number_differentiating_characteristics: AS DIFFERENTIATE D BY DWG REF.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-020-5505, 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
MODEL63BUWITH3XFLOWNOSPRING
NSN: 4820-01-020-5505
FSC: 4820 — Valves, Nonpowered
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
end_item_identificationAIR DATA COMPUTER,MODEL AN/ASM-442
general_characteristics_item_descriptionSUPPLY PRESSURE,LOCAL AMBIENT TO0.800 IN. HG IN
reference_number_differentiating_characteristicsAS DIFFERENTIATE D BY DWG REF
NSN4820-01-020-5505
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MODEL63BUWITH3XFLOWNOSPRING · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: SUPPLY PRESSURE,LOCAL AMBIENT TO0.800 IN. HG IN
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATE D BY DWG REF
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSUPPLY PRESSURE,LOCAL AMBIENT TO0.800 IN. HG IN
END ITEM IDENTIFICATIONAIR DATA COMPUTER,MODEL AN/ASM-442
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATE D BY DWG REF
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
54494-90044-2Same 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 MODEL63BUWITH3XFLOWNOSPRING?
MODEL63BUWITH3XFLOWNOSPRING is a LIMITER,PRESSURE.
What parts can replace MODEL63BUWITH3XFLOWNOSPRING?
There is 1 known substitute for MODEL63BUWITH3XFLOWNOSPRING: 54494-90044-2. Substitute compatibility should be verified for your specific system.
What is the NSN for MODEL63BUWITH3XFLOWNOSPRING?
MODEL63BUWITH3XFLOWNOSPRING is cataloged in the U.S. Government catalog under NSN 4820-01-020-5505. 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.