PartsTable
Technical Data Sheet
Download PDF

B49993 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B49993: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY 6061, design_type: FRICTION, overall_diameter: 0.578 INCHES MINIMUM AND 0.608 INCHES MAXIMUM IN, surface_treatment: ANODIZE, inside_diameter_length: 1.625 INCHES NOMINAL IN, round_cap_outside_surface_condition: KNURLED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-030-4866, 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
B49993
NSN: 5340-01-030-4866
FSC: 5340 — Hardware, Commercial
CAGE: 05825 — O T S I (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
design_typeFRICTION
overall_diameter0.578 INCHES MINIMUM AND 0.608 INCHES MAXIMUM IN
surface_treatmentANODIZE
inside_diameter_length1.625 INCHES NOMINAL IN
round_cap_outside_surface_conditionKNURLED
material_document_and_classificationALLOY 6061-T6 NATIONAL SPEC SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-030-4866
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B49993 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: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 0.578 INCHES MINIMUM AND 0.608 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ALLOY 6061-T6 NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY 6061
•
INSIDE DIAMETER LENGTH: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
DESIGN TYPEFRICTION
OVERALL DIAMETER0.578 INCHES MINIMUM AND 0.608 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONALLOY 6061-T6 NATIONAL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY 6061
INSIDE DIAMETER LENGTH1.625 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy B49993?
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 B49993?
B49993 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for B49993?
B49993 is cataloged in the U.S. Government catalog under NSN 5340-01-030-4866. 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 — B49993