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421RA — PARTS KIT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

421RA: PARTS KIT,VALVE.

The PARTS KIT,VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-470-4128, 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
421RA
NSN: 4820-01-470-4128
NIINs: 014704128, 015408658
FSC: 4820 — Valves, Nonpowered
CAGE: 04816 — AQUAMATIC INC (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
NSN4820-01-470-4128
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 421RA · 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
•
COMPONENT QUANTITY: 8
•
MODEL NUMBER: SERIES V421 STANDARD MODEL
•
NONSUPPLY ITEMS AND QUANTITIES: 04816 DWG V421-1F ITEM 3 HEX LOCK NUT 2; ITEM 5 O-RING 1; ITEM 8 GASKET 2; ITEM 9 O-RING 1; ITEM 14 DIAPHRAGM 1; ITEM 16 O-RING 1
•
DOCUMENT SOURCE: 04816
•
FUNCTIONAL DESCRIPTION: FOR BOTH 3/4 INCH AND 1 INCH SERIES V421 STANDARD MODEL DIAPHRAGM VALVES IN
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY8
MODEL NUMBERSERIES V421 STANDARD MODEL
NONSUPPLY ITEMS AND QUANTITIES04816 DWG V421-1F ITEM 3 HEX LOCK NUT 2; ITEM 5 O-RING 1; ITEM 8 GASKET 2; ITEM 9 O-RING 1; ITEM 14 DIAPHRAGM 1; ITEM 16 O-RING 1
DOCUMENT SOURCE04816
SPECIAL FEATURESNHA ACR; HAS STANDARD BUNA N SEALS AND DIAPHRAGM; MAX FLUID LINE TEMP 150 DEG F DEGF
FUNCTIONAL DESCRIPTIONFOR BOTH 3/4 INCH AND 1 INCH SERIES V421 STANDARD MODEL DIAPHRAGM VALVES IN
END ITEM IDENTIFICATIONUSNS HENRY J. KAISER CLASS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 421RA?
421RA is a PARTS KIT,VALVE.
What is the NSN for 421RA?
421RA is cataloged in the U.S. Government catalog under NSN 4820-01-470-4128. This indicates validated use in U.S. government and defense supply chains.
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