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1621206 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1621206: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL COMP 303, design_type: THREADED, round_cap_outside_surface_condition: KNURLED, material_document_and_classification: QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE, opening_inside_diameter_for_which_designed: 0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-333-7559, 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
1621206
NSN: 5340-01-333-7559
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 303
design_typeTHREADED
round_cap_outside_surface_conditionKNURLED
material_document_and_classificationQQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
opening_inside_diameter_for_which_designed0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
NSN5340-01-333-7559
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1621206 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
•
DESIGN TYPE: THREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303
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

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 1621206?
1621206 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 1621206?
1621206 is cataloged in the U.S. Government catalog under NSN 5340-01-333-7559. This indicates validated use in U.S. government and defense supply chains.
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