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4065818 — RETAINER,DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4065818: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include overall_length: 1.170 INCHES NOMINAL IN, inside_diameter: 0.625 INCHES NOMINAL IN, outside_diameter: 0.702 INCHES NOMINAL IN, special_features: 2 PLACES EQUALLY SPACED 0.042 IN. DIA FIRST END; SECOND END 4 SLOTS EQUALLY SPACED 0.319 IN IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-187-2960, 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
4065818
NSN: 4820-01-187-2960
FSC: 4820 — Valves, Nonpowered
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
overall_length1.170 INCHES NOMINAL IN
inside_diameter0.625 INCHES NOMINAL IN
outside_diameter0.702 INCHES NOMINAL IN
special_features2 PLACES EQUALLY SPACED 0.042 IN. DIA FIRST END; SECOND END 4 SLOTS EQUALLY SPACED 0.319 IN IN
NSN4820-01-187-2960
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4065818 · 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
•
OUTSIDE DIAMETER: 0.702 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.702 INCHES NOMINAL IN
OVERALL LENGTH1.170 INCHES NOMINAL IN
INSIDE DIAMETER0.625 INCHES NOMINAL IN
SPECIAL FEATURES2 PLACES EQUALLY SPACED 0.042 IN. DIA FIRST END; SECOND END 4 SLOTS EQUALLY SPACED 0.319 IN IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4065818?
4065818 is a RETAINER,DISK,VALVE.
What is the NSN for 4065818?
4065818 is cataloged in the U.S. Government catalog under NSN 4820-01-187-2960. 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.