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A21681 — A21681

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A21681: A21681.

The A21681 is a the manufacturer industrial component. Key specifications include length: 12.000 INCHES NOMINAL IN, current_type: DC, special_features: MECHANICAL RESET, dc_voltage_rating: 18.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM, end_item_identification: F-16 ACFT. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-988-9681, 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
MRO→ MRO_GENERAL→ A21681
NSN: 5330-00-988-9681
NIINs: 009889681, 010819114
FSC: 5330 — Packing and Gasket Materials
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
length12.000 INCHES NOMINAL IN
current_typeDC
special_featuresMECHANICAL RESET
dc_voltage_rating18.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM
end_item_identificationF-16 ACFT
NSN5330-00-988-9681
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A21681 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COMPONENT QUANTITY: 2
•
NONSUPPLY ITEMS AND QUANTITIES: RINGS2
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
NONSUPPLY ITEMS AND QUANTITIESRINGS2
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 A21681?
A21681 is a A21681. It is classified as a MRO (MRO_GENERAL).
What is the NSN for A21681?
A21681 is cataloged in the U.S. Government catalog under NSN 5330-00-988-9681. This indicates validated use in U.S. government and defense supply chains.
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