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7-2053-4 — MASK,CHEMICAL-BIOLOGICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-2053-4: MASK,CHEMICAL-BIOLOGICAL.

The MASK,CHEMICAL-BIOLOGICAL is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL OVERALL, outside_diameter: 2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN, cross-sectional_thickness: 0.0575 INCHES MINIMUM AND 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM0.0675 INCHES MAXIMUM IN, cross-sectional_shape_style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-171-6507, 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
7-2053-4
NSN: 5330-00-171-6507
NIINs: 001716507, 016462637
FSC: 5330 — Packing and Gasket Materials
CAGE: 00307 — POWER ENGINEERING AND EQUIPMENT CO INC (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL OVERALL
outside_diameter2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN
cross-sectional_thickness0.0575 INCHES MINIMUM AND 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM0.0675 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
NSN5330-00-171-6507
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-2053-4 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
•
CROSS-SECTIONAL THICKNESS: 0.0575 INCHES MINIMUM AND 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM0.0675 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
OUTSIDE DIAMETER: 2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0575 INCHES MINIMUM AND 0.0575 INCHES MINIMUM AND 0.0675 INCHES MAXIMUM0.0675 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER2.125 INCHES NOMINAL2.125 INCHES NOMINAL IN
APERTURE DIAMETER1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN
MATERIALASBESTOS AND STEEL OVERALL
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 7-2053-4?
7-2053-4 is a MASK,CHEMICAL-BIOLOGICAL.
What is the NSN for 7-2053-4?
7-2053-4 is cataloged in the U.S. Government catalog under NSN 5330-00-171-6507. This indicates validated use in U.S. government and defense supply chains.
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