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21241-001 — VALVE,RESTRICTOR CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21241-001: VALVE,RESTRICTOR CHECK.

The VALVE,RESTRICTOR CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, offset_distance: 1.000 INCHES IN, style_designator: OFFSET, mounting_position: HORIZONTAL OR VERTICAL, surface_treatment: ANODIZE, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-418-4621, 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
21241-001
NSN: 4820-01-418-4621
NIINs: 014184621, 017092064
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
offset_distance1.000 INCHES IN
style_designatorOFFSET
mounting_positionHORIZONTAL OR VERTICAL
surface_treatmentANODIZE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodAUTOMATIC
end_item_identificationSEAWOLF CLASS SSN
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
criticality_code_justificationZZZY
NSN4820-01-418-4621
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21241-001 · 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
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
STYLE DESIGNATOR: OFFSET
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
OFFSET DISTANCE: 1.000 INCHES IN
•
SURFACE TREATMENT: ANODIZE
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CRITICALITY CODE JUSTIFICATIONZZZY
STYLE DESIGNATOROFFSET
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OFFSET DISTANCE1.000 INCHES IN
SURFACE TREATMENTANODIZE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALALUMINUM ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
21241-001Q5Same 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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21241-001?
21241-001 is a VALVE,RESTRICTOR CHECK.
What parts can replace 21241-001?
There is 1 known substitute for 21241-001: 21241-001Q5. Substitute compatibility should be verified for your specific system.
What is the NSN for 21241-001?
21241-001 is cataloged in the U.S. Government catalog under NSN 4820-01-418-4621. This indicates validated use in U.S. government and defense supply chains.
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