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851221-2 — COUPLING,PIPE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

851221-2: COUPLING,PIPE.

The COUPLING,PIPE is a the manufacturer industrial component. Key specifications include end_item_identification: USNS HENRY J KAISER CLASS TAO. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-818-4618, 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
851221-2
NSN: 5355-00-818-4618
NIINs: 008184618, 012029319
FSC: 5355 — Knobs and Pointers
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
end_item_identificationUSNS HENRY J KAISER CLASS TAO
NSN5355-00-818-4618
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLING,PIPE TITLE COMPONENT PN 851221-2 MFR COUPLING,PIPE
KEY FEATURES
•
RADIUS: 1.719 INCHES NOMINAL IN
•
POINTER ANGLE: 90.0 DEGREES NOMINAL
•
MATERIAL TRANSPARENCY: OPAQUE
•
STYLE DESIGNATOR: SECTOR
•
MOUNTING HOLE DIAMETER: 0.125 INCHES NOMINAL IN
•
ANGLE BETWEEN MOUNTING HOLE CENTERLINES: 80.0 DEGREES NOMINAL
•
SURFACE TREATMENT: ANODIZE OVERALL
•
WIDTH: 0.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RADIUS1.719 INCHES NOMINAL IN
POINTER ANGLE90.0 DEGREES NOMINAL
MATERIAL TRANSPARENCYOPAQUE
STYLE DESIGNATORSECTOR
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL IN
ANGLE BETWEEN MOUNTING HOLE CENTERLINES80.0 DEGREES NOMINAL
SURFACE TREATMENTANODIZE OVERALL
WIDTH0.406 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY OVERALL
ATTACHMENT METHODHOLE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 851221-2?
851221-2 is a COUPLING,PIPE.
What is the NSN for 851221-2?
851221-2 is cataloged in the U.S. Government catalog under NSN 5355-00-818-4618. 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.