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281744-0004 ITEM 16 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

281744-0004 ITEM 16: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include material: ALUMINUM AND COPPER ALLOY, valve_design_control_activity: 99657, valve_size_for_which_designed: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-412-5223, 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
281744-0004 ITEM 16
NSN: 4820-01-412-5223
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM AND COPPER ALLOY
valve_design_control_activity99657
valve_size_for_which_designed0.500 INCHES IN
NSN4820-01-412-5223
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 281744-0004 ITEM 16 · 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
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
VALVE DESIGN CONTROL ACTIVITY: 99657
•
MATERIAL: ALUMINUM AND COPPER ALLOY
TECHNICAL CHARACTERISTICS
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
VALVE DESIGN CONTROL ACTIVITY99657
MATERIALALUMINUM AND COPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
281744-0004Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 281744-0004 ITEM 16?
281744-0004 ITEM 16 is a RESTRICTOR,FLUID FLOW.
What parts can replace 281744-0004 ITEM 16?
There is 1 known substitute for 281744-0004 ITEM 16: 281744-0004. Substitute compatibility should be verified for your specific system.
What is the NSN for 281744-0004 ITEM 16?
281744-0004 ITEM 16 is cataloged in the U.S. Government catalog under NSN 4820-01-412-5223. 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.