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479531 — RESPIRATOR,AIR FILTERING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

479531: RESPIRATOR,AIR FILTERING.

The RESPIRATOR,AIR FILTERING is a the manufacturer industrial component. Key specifications include overall_depth: 0.620 INCHES NOMINAL IN, inside_diameter: 0.257 INCHES NOMINAL IN, outside_diameter: 0.880 INCHES MAXIMUM IN, screw_drive_type: HEXAGON SOCKET, style_designator: ROUND, attachment_method: SETSCREWS. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-597-1497, 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
479531
NSN: 5355-00-597-1497
NIINs: 005971497, 013128701
FSC: 5355 — Knobs and Pointers
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
overall_depth0.620 INCHES NOMINAL IN
inside_diameter0.257 INCHES NOMINAL IN
outside_diameter0.880 INCHES MAXIMUM IN
screw_drive_typeHEXAGON SOCKET
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.700 INCHES NOMINAL IN
reference_markingSINGLE LINE
nominal_thread_size0.138 INCHES SCREW HOLE IN
setscrew_hole_quantity2
thread_quantity_per_inch32 SCREW HOLE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
NSN5355-00-597-1497
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESPIRATOR,AIR FILTERING TITLE COMPONENT PN 479531 MFR RESPIRATOR,AIR FILTERI
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.360 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.700 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.880 INCHES MAXIMUM IN
•
REFERENCE MARKING: SINGLE LINE
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.138 INCHES SCREW HOLE IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.360 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.700 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.880 INCHES MAXIMUM IN
REFERENCE MARKINGSINGLE LINE
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.257 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONGRIP AID
SUBSTITUTES & CROSS-REFERENCES 1
CPC3544-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 479531?
479531 is a RESPIRATOR,AIR FILTERING.
What parts can replace 479531?
There is 1 known substitute for 479531: CPC3544-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 479531?
479531 is cataloged in the U.S. Government catalog under NSN 5355-00-597-1497. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.