404677 — COVER,DIFFUSER CASE

✓ Government record, cited

Legrand · GATE VALVE

PRODUCT OVERVIEW

404677: COVER,DIFFUSER CASE.

The COVER,DIFFUSER CASE is a Legrand industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, overall_height: 0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, inside_diameter: 0.578 INCHES NOMINAL IN, outside_diameter: 0.938 INCHES NOMINAL IN, special_features: 3/64 IN. BY 45 DEG CHAMFER ONE EDGE IN, style_designator: PLAIN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-132-0656, 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

404677

NSN: 4820-00-132-0656
NIINs: 001320656, 007788105
FSC: 4820 — Valves, Nonpowered
CAGE: 09310 — SYLTONE INDUSTRIES LLC DBA GARDNER DENVER INC. DIV EMCO WHEATON (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_height	0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
inside_diameter	0.578 INCHES NOMINAL IN
outside_diameter	0.938 INCHES NOMINAL IN
special_features	3/64 IN. BY 45 DEG CHAMFER ONE EDGE IN
style_designator	PLAIN
media_for_which_designed	OIL OR GASOLINE
material_document_and_classification	MIL-S-6855, CLASS 1, GRADE 75 TO 85 MIL SPEC SINGLE MATERIAL RESPONSE
NSN	4820-00-132-0656

COMPONENT DIAGRAM

KEY FEATURES

•

OUTSIDE DIAMETER: 0.938 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PLAIN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6855, CLASS 1, GRADE 75 TO 85 MIL SPEC SINGLE MATERIAL RESPONSE

•

INSIDE DIAMETER: 0.578 INCHES NOMINAL IN

•

MEDIA FOR WHICH DESIGNED: OIL OR GASOLINE

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.180 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
OUTSIDE DIAMETER	0.938 INCHES NOMINAL IN
STYLE DESIGNATOR	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6855, CLASS 1, GRADE 75 TO 85 MIL SPEC SINGLE MATERIAL RESPONSE
INSIDE DIAMETER	0.578 INCHES NOMINAL IN
SPECIAL FEATURES	3/64 IN. BY 45 DEG CHAMFER ONE EDGE IN
MEDIA FOR WHICH DESIGNED	OIL OR GASOLINE
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 1

9162-24Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 404677?

404677 is a COVER,DIFFUSER CASE manufactured by Legrand.

What parts can replace 404677?

There is 1 known substitute for 404677: 9162-24. Substitute compatibility should be verified for your specific system.

What is the NSN for 404677?

404677 is cataloged in the U.S. Government catalog under NSN 4820-00-132-0656. This indicates validated use in U.S. government and defense supply chains.

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