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618171 — PLUG,ORIFICE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

618171: PLUG,ORIFICE.

The PLUG,ORIFICE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL AISI 4037; ORIFICE ID 0.125 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-622-6821, 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
618171
NSN: 4820-00-622-6821
NIINs: 006226821, 009224369, 010497814
FSC: 4820 — Valves, Nonpowered
CAGE: 99447 — COOPER INTERCONNECT, INC. DBA COOPER INTERCONNECT DIV INTERCONNECT (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL AISI 4037; ORIFICE ID 0.125 IN. IN
NSN4820-00-622-6821
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 618171 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSPRUANCE CLASS DD(963)
SUBSTITUTES & CROSS-REFERENCES 1
10410PC5Same 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 618171?
618171 is a PLUG,ORIFICE.
What parts can replace 618171?
There is 1 known substitute for 618171: 10410PC5. Substitute compatibility should be verified for your specific system.
What is the NSN for 618171?
618171 is cataloged in the U.S. Government catalog under NSN 4820-00-622-6821. 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.