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Technical Data Sheet
S273 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The REACTOR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, body_width: 3.250 INCHES NOMINAL IN, nut_height: 0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN, body_height: 4.125 INCHES NOMINAL IN, body_length: 4.500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-157-3785, 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
S273
NSN: 5950-00-157-3785
FSC: 5950
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
body_width3.250 INCHES NOMINAL IN
nut_height0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
body_height4.125 INCHES NOMINAL IN
body_length4.500 INCHES NOMINAL IN
thread_class2B
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_seriesUNF
inclosure_typePARTIALLY INCLOSED, HALF SHELL
hardness_rating95.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM
inductance_typeFIXED
NSN5950-00-157-3785
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN S273 MFR REACTOR
KEY FEATURES
BODY HEIGHT: 4.125 INCHES NOMINAL IN
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
NOMINAL THREAD SIZE: 0.190 INCHES SINGLE GROUP IN
BODY LENGTH: 4.500 INCHES NOMINAL IN
INDUCTANCE RATING: 6.05 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
RELIABILITY INDICATOR: NOT ESTABLISHED
BODY WIDTH: 3.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT4.125 INCHES NOMINAL IN
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
NOMINAL THREAD SIZE0.190 INCHES SINGLE GROUP IN
BODY LENGTH4.500 INCHES NOMINAL IN
INDUCTANCE RATING6.05 HENRY NOMINAL SINGLE COMPONENT SINGLE WINDING
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
RELIABILITY INDICATORNOT ESTABLISHED
BODY WIDTH3.250 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10082668Interchangeable
interchangeable cross-reference
interchangeable
251295Interchangeable
interchangeable cross-reference
interchangeable
443921Interchangeable
interchangeable cross-reference
interchangeable
S273Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S273?
S273 is a REACTOR.
What parts can replace S273?
There are 4 known substitutes for S273: 10082668, 251295, 443921 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S273?
S273 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-157-3785. This indicates validated use in U.S. government and defense supply chains.
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