ST7M342-8 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ST7M342-8: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN, radial_wall_thickness: 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN, standard_bore_diameter: 0.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-323-8912, 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

ST7M342-8

NSN: 3040-00-323-8912
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
radial_wall_thickness	0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
standard_bore_diameter	0.625 INCHES IN
cross-sectional_shape_style	PLAIN RECTANGULAR, STRAIGHT FACE
NSN	3040-00-323-8912

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE

•

JOINT STYLE: VERTICAL JOINT

•

RADIAL WALL THICKNESS: 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 0.625 INCHES IN

•

MATERIAL: STEEL CORROSION RESISTING OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE	VERTICAL JOINT
RADIAL WALL THICKNESS	0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	0.625 INCHES IN
MATERIAL	STEEL CORROSION RESISTING OVERALL

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 2

FR84-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

DS8015-8Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST7M342-8?

ST7M342-8 is a RING,PISTON.

What parts can replace ST7M342-8?

There are 2 known substitutes for ST7M342-8: FR84-8, DS8015-8. Substitute compatibility should be verified for your specific system.

What is the NSN for ST7M342-8?

ST7M342-8 is cataloged in the U.S. Government catalog under NSN 3040-00-323-8912. This indicates validated use in U.S. government and defense supply chains.

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