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550099 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

550099: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC VINYL, overall_height: 2.00 INCHES NOMINAL IN, special_features: COLOR IS BLACK AND SHAPE IS ROUND, features_provided: ROHS DIRECTIVE COMPLIANCE, end_item_identification: 4540-01-700-3089, part_name_assigned_by_controlling_agency: SHORT CAPS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-723-4988, 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
550099
NSN: 5340-01-723-4988
FSC: 5340 — Hardware, Commercial
CAGE: 15819 — SINCLAIR & RUSH, INC. DBA SINCLAIR & RUSH INC (USA)
SPECIFICATIONS
materialPLASTIC VINYL
overall_height2.00 INCHES NOMINAL IN
special_featuresCOLOR IS BLACK AND SHAPE IS ROUND
features_providedROHS DIRECTIVE COMPLIANCE
end_item_identification4540-01-700-3089
part_name_assigned_by_controlling_agencySHORT CAPS
tube_outside_diameter_for_which_designed0.625 INCHES NOMINAL IN
NSN5340-01-723-4988
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 550099 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: ROHS DIRECTIVE COMPLIANCE
•
MATERIAL: PLASTIC VINYL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.00 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.625 INCHES NOMINAL IN
FEATURES PROVIDEDROHS DIRECTIVE COMPLIANCE
SPECIAL FEATURESCOLOR IS BLACK AND SHAPE IS ROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYSHORT CAPS
END ITEM IDENTIFICATION4540-01-700-3089
MATERIALPLASTIC VINYL
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
40005K26Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 550099?
550099 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 550099?
There is 1 known substitute for 550099: 40005K26. Substitute compatibility should be verified for your specific system.
What is the NSN for 550099?
550099 is cataloged in the U.S. Government catalog under NSN 5340-01-723-4988. This indicates validated use in U.S. government and defense supply chains.
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