PartsTable
Technical Data Sheet
Download PDF

GC821 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC821: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: THREADED, thread_class: 2B, overall_diameter: 1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN, surface_treatment: CADMIUM, inside_diameter_length: 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-430-6950, 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
GC821
NSN: 5340-01-430-6950
FSC: 5340 — Hardware, Commercial
CAGE: 99447 — COOPER INTERCONNECT, INC. DBA COOPER INTERCONNECT DIV INTERCONNECT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeTHREADED
thread_class2B
overall_diameter1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN
surface_treatmentCADMIUM
inside_diameter_length0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
round_cap_outside_surface_conditionKNURLED
thread_size_and_series/type_designator0.190-32 UNEF
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
connector_nominal_thread_size_for_which_designed0.1900 INCHES IN
NSN5340-01-430-6950
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC821 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 0.1900 INCHES IN
•
SURFACE TREATMENT: CADMIUM
•
THREAD CLASS: 2B
•
MATERIAL: ALUMINUM ALLOY
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 0.190-32 UNEF
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE
DESIGN TYPETHREADED
OVERALL DIAMETER1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED0.1900 INCHES IN
SURFACE TREATMENTCADMIUM
THREAD CLASS2B
MATERIALALUMINUM ALLOY
THREAD SIZE AND SERIES/TYPE DESIGNATOR0.190-32 UNEF
INSIDE DIAMETER LENGTH0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
A3154969Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy GC821?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is GC821?
GC821 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace GC821?
There is 1 known substitute for GC821: A3154969. Substitute compatibility should be verified for your specific system.
What is the NSN for GC821?
GC821 is cataloged in the U.S. Government catalog under NSN 5340-01-430-6950. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — GC821