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SR21F ✓ 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 SR21F is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-977-4272, 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
SR21F
NSN: 6685-00-977-4272
FSC: 6685
CAGE: 03479 — ENOVATION CONTROLS LLC (USA)
SPECIFICATIONS
Part NumberSR21F
NSN6685-00-977-4272
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SR21F TITLE COMPONENT PN SR21F MFR SR21F
KEY FEATURES
•
FLEXIBLE TUBE LENGTH: 48.000 INCHES NOMINAL IN
•
SCALE INSCRIPTION/BACKGROUND COLOR: WHITE MARKING ON BLACK BACKGROUND
•
SCALE SMALLEST INCREMENT: 10.0 DEG FAHRENHEIT
•
EXTENSION NECK LENGTH: 0.500 INCHES NOMINAL IN
•
CASE DIAMETER: 2.234 INCHES NOMINAL IN
•
MATERIAL: COPPER BULB
•
STYLE DESIGNATOR: BULB W/O SOCKET
TECHNICAL CHARACTERISTICS (FLIS)
FLEXIBLE TUBE LENGTH48.000 INCHES NOMINAL IN
SCALE INSCRIPTION/BACKGROUND COLORWHITE MARKING ON BLACK BACKGROUND
SCALE SMALLEST INCREMENT10.0 DEG FAHRENHEIT
EXTENSION NECK LENGTH0.500 INCHES NOMINAL IN
CASE DIAMETER2.234 INCHES NOMINAL IN
MATERIALCOPPER BULB
STYLE DESIGNATORBULB W/O SOCKET
MATERIALSTEEL METER CASE
BULB STYLEPLAIN BULB W/BENDABLE EXTENSION
POINTER/PEN TYPE AND QUANTITY1 INDICATING SINGLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
15194Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33 TY1CL3STDInterchangeable
interchangeable cross-reference
interchangeable
10-35-00-59Interchangeable
interchangeable cross-reference
interchangeable
SR21Interchangeable
interchangeable cross-reference
interchangeable
10A20343Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR21F?
SR21F is a SR21F.
What parts can replace SR21F?
There are 23 known substitutes for SR21F: 15194, GGG-H-33, GGG-H-33 TY1CL3STD and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SR21F?
SR21F is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-977-4272. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026