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10161938 — RING,LOCK,VALVE ADJUSTING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

10161938: RING,LOCK,VALVE ADJUSTING.

The RING,LOCK,VALVE ADJUSTING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STAINLESS STEEL,0.562 IN. OD,0.187 IN.

THK,THD 9/16-18 UNF 2A A. This part is cataloged in the U.S. Government catalog under NSN 4820-00-401-0789, 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
10161938
NSN: 4820-00-401-0789
FSC: 4820 — Valves, Nonpowered
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL,0.562 IN. OD,0.187 IN. THK,THD 9/16-18 UNF 2A A
NSN4820-00-401-0789
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 10161938 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL,0.562 IN. OD,0.187 IN. THK,THD 9/16-18 UNF 2A A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL,0.562 IN. OD,0.187 IN. THK,THD 9/16-18 UNF 2A A
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 10161938?
10161938 is a RING,LOCK,VALVE ADJUSTING.
What is the NSN for 10161938?
10161938 is cataloged in the U.S. Government catalog under NSN 4820-00-401-0789. 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.