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202101-10 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

202101-10: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include overall_width: 0.565 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN, overall_length: 0.702 INCHES MINIMUM AND 0.716 INCHES MAXIMUM IN, special_features: BODY AND RIVET MADE OF BRASS, surface_treatment: NICKEL, round_cap_outside_surface_condition: KNURLED OR SMOOTH, part_name_assigned_by_controlling_agency: CAP, PROTECTIVE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-663-2216, 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
202101-10
NSN: 5340-01-663-2216
FSC: 5340 — Hardware, Commercial
CAGE: 8AME4 — AMPHENOL CORPORATION DBA AMPHENOL CONNEX (USA)
SPECIFICATIONS
overall_width0.565 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
overall_length0.702 INCHES MINIMUM AND 0.716 INCHES MAXIMUM IN
special_featuresBODY AND RIVET MADE OF BRASS
surface_treatmentNICKEL
round_cap_outside_surface_conditionKNURLED OR SMOOTH
part_name_assigned_by_controlling_agencyCAP, PROTECTIVE
NSN5340-01-663-2216
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 202101-10 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: NICKEL
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED OR SMOOTH
TECHNICAL CHARACTERISTICS
OVERALL LENGTH0.702 INCHES MINIMUM AND 0.716 INCHES MAXIMUM IN
OVERALL WIDTH0.565 INCHES MINIMUM AND 0.579 INCHES MAXIMUM IN
SPECIAL FEATURESBODY AND RIVET MADE OF BRASS
SURFACE TREATMENTNICKEL
PART NAME ASSIGNED BY CONTROLLING AGENCYCAP, PROTECTIVE
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED OR SMOOTH
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 202101-10?
202101-10 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 202101-10?
202101-10 is cataloged in the U.S. Government catalog under NSN 5340-01-663-2216. 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.