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CX37 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CX37: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM ALLOY, design_type: FRICTION, overall_diameter: 0.625 INCHES NOMINAL IN, surface_treatment: ANODIZE, inside_diameter_length: 0.475 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN, round_cap_outside_surface_condition: KNURLED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-141-6155, 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
CX37
NSN: 5340-01-141-6155
FSC: 5340 — Hardware, Commercial
CAGE: K6287 — RFD BEAUFORT LIMITED (GBR)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeFRICTION
overall_diameter0.625 INCHES NOMINAL IN
surface_treatmentANODIZE
inside_diameter_length0.475 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN
round_cap_outside_surface_conditionKNURLED
NSN5340-01-141-6155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CX37 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE
•
MATERIAL: ALUMINUM ALLOY
•
INSIDE DIAMETER LENGTH: 0.475 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: KNURLED
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER0.625 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE
MATERIALALUMINUM ALLOY
INSIDE DIAMETER LENGTH0.475 INCHES MINIMUM AND 0.477 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONKNURLED
SUBSTITUTES & CROSS-REFERENCES 2
7230014Reference document
Same NSN cross-reference
Reference document — Secondary reference
8148650Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CX37?
CX37 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace CX37?
There are 2 known substitutes for CX37: 7230014, 8148650. Substitute compatibility should be verified for your specific system.
What is the NSN for CX37?
CX37 is cataloged in the U.S. Government catalog under NSN 5340-01-141-6155. 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.