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S21660 — TRANSFORMER,POWER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S21660: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, body_length: 0.520 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, overall_length: 1.750 INCHES NOMINAL IN, mounting_method: TERMINAL SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-555-1011, 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
S21660
NSN: 4820-00-555-1011
NIINs: 005551011, 012173961
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
body_length0.520 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
overall_length1.750 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
body_outside_diameter0.750 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
maximum_operating_temp130.0 CELSIUS DEGC
end_item_identification6615-01-189-7976 GYROSCOPE,DISPLACEMENT
winding_operating_current211.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT ALL SECONDARY
winding_operating_voltage4.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
NSN4820-00-555-1011
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S21660 · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.750 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
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 S21660?
S21660 is a TRANSFORMER,POWER.
What is the NSN for S21660?
S21660 is cataloged in the U.S. Government catalog under NSN 4820-00-555-1011. 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.