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S49997 — RETAINER,DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S49997: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_length: 2.437 INCHES NOMINAL IN, outside_diameter: 2.375 INCHES NOMINAL IN, special_features: COUNTERBORED AT TOP; INTERNAL THREADS AT BOTTOM 1.062-12 UN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-071-2006, 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
S49997
NSN: 4820-00-071-2006
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_length2.437 INCHES NOMINAL IN
outside_diameter2.375 INCHES NOMINAL IN
special_featuresCOUNTERBORED AT TOP; INTERNAL THREADS AT BOTTOM 1.062-12 UN
NSN4820-00-071-2006
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S49997 · 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: 2.375 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
OVERALL LENGTH2.437 INCHES NOMINAL IN
SPECIAL FEATURESCOUNTERBORED AT TOP; INTERNAL THREADS AT BOTTOM 1.062-12 UN
MATERIALNICKEL ALLOY
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 1
SA49997Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 S49997?
S49997 is a RETAINER,DISK,VALVE.
What parts can replace S49997?
There is 1 known substitute for S49997: SA49997. Substitute compatibility should be verified for your specific system.
What is the NSN for S49997?
S49997 is cataloged in the U.S. Government catalog under NSN 4820-00-071-2006. 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.