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210687 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

210687: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: FRICTION, overall_diameter: 0.938 INCHES NOMINAL IN, inside_diameter_length: 0.812 INCHES NOMINAL IN, round_cap_outside_surface_condition: KNURLED OR SMOOTH, tube_outside_diameter_for_which_designed: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-780-6902, 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
210687
NSN: 5340-00-780-6902
FSC: 5340 — Hardware, Commercial
CAGE: 16827 — B/E AEROSPACE, INC. DBA INTERTURBINE DIV OXYGEN & PSU SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeFRICTION
overall_diameter0.938 INCHES NOMINAL IN
inside_diameter_length0.812 INCHES NOMINAL IN
round_cap_outside_surface_conditionKNURLED OR SMOOTH
tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
opening_inside_diameter_for_which_designed0.500 INCHES NOMINAL IN
NSN5340-00-780-6902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 210687 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: FRICTION
•
OVERALL DIAMETER: 0.938 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
INSIDE DIAMETER LENGTH: 0.812 INCHES NOMINAL IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED OR SMOOTH
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.938 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
INSIDE DIAMETER LENGTH0.812 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 210687?
210687 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 210687?
210687 is cataloged in the U.S. Government catalog under NSN 5340-00-780-6902. This indicates validated use in U.S. government and defense supply chains.
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