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Technical Data Sheet
PartsTable / COMPONENT / I,ST 1,CL A,MOD 1,ER B,SZ 4
I,ST 1,CL A,MOD 1,ER B,SZ 4 ✓ 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 I,ST 1,CL A,MOD 1,ER B,SZ 4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4120-00-211-5922, 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
I,ST 1,CL A,MOD 1,ER B,SZ 4
NSN: 4120-00-211-5922
FSC: 4120
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberI,ST 1,CL A,MOD 1,ER B,SZ 4
NSN4120-00-211-5922
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available I,ST 1,CL A,MOD 1,ER B,SZ 4 TITLE COMPONENT PN I,ST 1,CL A,MOD 1,ER B,SZ 4 MFR I,ST 1,CL A,MOD 1,ER B
KEY FEATURES
•
NOMINAL COOLING CAPACITY: 220.0 CUBIC FEET PER MINUTE
•
PHASE: SINGLE
•
POWER SOURCE: ELECTRIC MOTOR
•
ELECTRIC MOTOR QUANTITY: 2
•
COMPRESSOR UNIT TYPE: CLOSED
•
NONDEFINITIVE SPEC/STD DATA: A CLASS AND 1 MODEL AND B RATING AND 1 STYLE AND 4 SIZE AND 1 TYPE
•
FREQUENCY RATING: 60.0 HERTZ NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL COOLING CAPACITY220.0 CUBIC FEET PER MINUTE
PHASESINGLE
POWER SOURCEELECTRIC MOTOR
ELECTRIC MOTOR QUANTITY2
SPECIAL FEATURESDOUBLE HUNG WINDOW TYPE W/O MTG DEVICES; DESIGNED FOR USE WITH R22 OR ANY NON-OZONE DEPLETING REFRIGERANTS
COMPRESSOR UNIT TYPECLOSED
NONDEFINITIVE SPEC/STD DATAA CLASS AND 1 MODEL AND B RATING AND 1 STYLE AND 4 SIZE AND 1 TYPE
FREQUENCY RATING60.0 HERTZ NOMINAL
USAGE DESIGNCOMPRESSOR, CONDENSER, EVAPORATOR BLOWER
CONDENSER COOLING TYPEAIR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
76BInterchangeable
interchangeable cross-reference
interchangeable
333Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-831 TY8CLBSZ2Interchangeable
interchangeable cross-reference
interchangeable
955-1-2X4SH1ITEM13AInterchangeable
interchangeable cross-reference
interchangeable
67582Interchangeable
interchangeable cross-reference
interchangeable
94869W1ITEM15AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is I,ST 1,CL A,MOD 1,ER B,SZ 4?
I,ST 1,CL A,MOD 1,ER B,SZ 4 is a I,ST 1,CL A,MOD 1,ER B,SZ 4.
What parts can replace I,ST 1,CL A,MOD 1,ER B,SZ 4?
There are 25 known substitutes for I,ST 1,CL A,MOD 1,ER B,SZ 4: 76B, 333, GGG-P-831 TY8CLBSZ2 and 22 more. Substitute compatibility should be verified for your specific system.
Is I,ST 1,CL A,MOD 1,ER B,SZ 4 still available?
I,ST 1,CL A,MOD 1,ER B,SZ 4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026