MS28772-340 — PACKING,PREFORMED

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

MS28772-340: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 3.770 INCHES NOMINAL IN, center_hole_diameter: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN, cross-sectional_height: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, cross-sectional_shape_style: DELTA. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-585-2866, 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

MS28772-340

NSN: 5330-00-585-2866
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating	65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter	3.770 INCHES NOMINAL IN
center_hole_diameter	3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN
cross-sectional_height	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
cross-sectional_shape_style	DELTA
material_document_and_classification	MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	5330-00-585-2866

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN

•

HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

CROSS-SECTIONAL SHAPE STYLE: DELTA

•

PERIPHERAL DIAMETER: 3.770 INCHES NOMINAL IN

•

CENTER HOLE DIAMETER: 3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
HARDNESS RATING	65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLE	DELTA
PERIPHERAL DIAMETER	3.770 INCHES NOMINAL IN
CENTER HOLE DIAMETER	3.335 INCHES MINIMUM AND 3.365 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL

SUBSTITUTES & CROSS-REFERENCES 5

1446-340Reference document

Same NSN cross-reference

Reference document — Secondary reference

N304-7-340Reference document

Same NSN cross-reference

Reference document — Secondary reference

1183-340Reference document

Same NSN cross-reference

Reference document — Secondary reference

PS1-30-5-340Reference document

Same NSN cross-reference

Reference document — Secondary reference

SAE-AS28772Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS28772-340?

MS28772-340 is a PACKING,PREFORMED.

What parts can replace MS28772-340?

There are 5 known substitutes for MS28772-340: 1446-340, N304-7-340, 1183-340 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MS28772-340?

MS28772-340 is cataloged in the U.S. Government catalog under NSN 5330-00-585-2866. This indicates validated use in U.S. government and defense supply chains.

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