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801279 — CYLINDER-VALVE,RESPIRATOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

801279: CYLINDER-VALVE,RESPIRATOR.

The CYLINDER-VALVE,RESPIRATOR is a the manufacturer industrial component. Key specifications include end_item_identification: MSA MODEL CUSTOM 4500 AIR MASK, criticality_code_justification: TEXT, general_characteristics_item_description: SOLE SOURCE REQUIRED BY STATUTE 6.302. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-040-1860, 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
801279
NSN: 5330-00-040-1860
NIINs: 000401860, 012520086
FSC: 5330 — Packing and Gasket Materials
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
end_item_identificationMSA MODEL CUSTOM 4500 AIR MASK
criticality_code_justificationTEXT
general_characteristics_item_descriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
NSN5330-00-040-1860
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 801279 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: 0.062 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
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STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
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OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.500 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 3.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
APERTURE DIAMETER1.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER3.125 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 801279?
801279 is a CYLINDER-VALVE,RESPIRATOR.
What is the NSN for 801279?
801279 is cataloged in the U.S. Government catalog under NSN 5330-00-040-1860. This indicates validated use in U.S. government and defense supply chains.
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