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Technical Data Sheet
40-204-1 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.500 INCHES NOMINAL IN, aperture_width: 4.188 INCHES NOMINAL IN, overall_length: 17.750 INCHES NOMINAL IN, aperture_length: 16.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-159-3266, 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
40-204-1
NSN: 5330-00-159-3266
FSC: 5330
CAGE: 14058 — THE DEWEY ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.500 INCHES NOMINAL IN
aperture_width4.188 INCHES NOMINAL IN
overall_length17.750 INCHES NOMINAL IN
aperture_length16.438 INCHES NOMINAL IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
special_featuresFEED COVER LATCH, COMPONENT OF THE MK 47 MOD 0 FEED COVER ASSEMBLY P/N: 402007.
style_designatorNON-CIRCULAR
bolt_hole_quantity14
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-159-3266
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40-204-1 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
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 1.781 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.547 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
HOLE DIAMETER: 0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE LENGTH: 16.438 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
STYLE DESIGNATOR: NON-CIRCULAR
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH17.750 INCHES NOMINAL IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH1.781 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.547 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.234 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
APERTURE LENGTH16.438 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
APERTURE WIDTH4.188 INCHES NOMINAL IN
SPECIAL FEATURES0.281 IN. FROM EDGE OF GASKET TO CENTER OF BOLT HOLES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1-905-1Interchangeable
interchangeable cross-reference
interchangeable
PC200FInterchangeable
interchangeable cross-reference
interchangeable
402041Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-204-1?
40-204-1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 40-204-1?
There are 3 known substitutes for 40-204-1: 1-905-1, PC200F, 402041. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-204-1?
40-204-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-159-3266. This indicates validated use in U.S. government and defense supply chains.
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