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Technical Data Sheet
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81121 — CARTRIDGE,CARBON DIOXIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

81121: CARTRIDGE,CARBON DIOXIDE.

The CARTRIDGE,CARBON DIOXIDE is a the manufacturer industrial component. Key specifications include end_item_identification: STRAINER, 8.00 IPS, part_name_assigned_by_controlling_agency: (INAVY) PLATE, COVER. This part is cataloged in the U.S.

Government catalog under NSN 6210-00-188-8779, 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
81121
NSN: 6210-00-188-8779
NIINs: 001888779, 007630964, 008058383, 010437752, 013270485, 014209841, 015701584
FSC: 6210 — Indoor and Outdoor Electric Lighting Fixtures
CAGE: 83330 — DIALIGHT CORPORATION (USA)
SPECIFICATIONS
end_item_identificationSTRAINER, 8.00 IPS
part_name_assigned_by_controlling_agency(INAVY) PLATE, COVER
NSN6210-00-188-8779
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,CARBON DIOXIDE TITLE COMPONENT PN 81121 MFR CARTRIDGE,CARBON DIOXI
KEY FEATURES
•
THREAD DIAMETER: 0.562 INCHES IN
•
EFFECTIVE DIAMETER: 0.500 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
MOUNTING METHOD: EXTERNAL THREAD
•
HOLDER SURFACE TREATMENT: NICKEL
•
STYLE DESIGNATOR: CONVEX
TECHNICAL CHARACTERISTICS
THREAD DIAMETER0.562 INCHES IN
EFFECTIVE DIAMETER0.500 INCHES NOMINAL IN
OVERALL DIAMETER0.625 INCHES NOMINAL IN
THREAD SERIESUNS
MOUNTING METHODEXTERNAL THREAD
HOLDER SURFACE TREATMENTNICKEL
STYLE DESIGNATORCONVEX
OVERALL LENGTH0.688 INCHES NOMINAL IN
SURFACE CONDITIONFROSTED BACK
SURFACE CONDITIONFROSTED FACE
SUBSTITUTES & CROSS-REFERENCES 2
118381Reference document
Same NSN cross-reference
Reference document — Secondary reference
145-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81121?
81121 is a CARTRIDGE,CARBON DIOXIDE.
What parts can replace 81121?
There are 2 known substitutes for 81121: 118381, 145-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 81121?
81121 is cataloged in the U.S. Government catalog under NSN 6210-00-188-8779. 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.