HM21134A — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HM21134A: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.2400 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN, radial_wall_thickness: 0.1770 INCHES NOMINAL IN, standard_bore_diameter: 4.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-277-2933, 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

HM21134A

NSN: 2805-00-277-2933
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.2400 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN
radial_wall_thickness	0.1770 INCHES NOMINAL IN
standard_bore_diameter	4.250 INCHES IN
cross-sectional_shape_style	CONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
oil_passage_type_and_quantity	1 GROOVE OUTSIDE PERIPHERY
NSN	2805-00-277-2933

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: CONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL

•

JOINT STYLE: VERTICAL JOINT

•

OIL PASSAGE TYPE AND QUANTITY: 1 GROOVE OUTSIDE PERIPHERY

•

RADIAL WALL THICKNESS: 0.1770 INCHES NOMINAL IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 4.250 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.2400 INCHES MINIMUM AND 0.2485 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	CONVEX FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
JOINT STYLE	VERTICAL JOINT
OIL PASSAGE TYPE AND QUANTITY	1 GROOVE OUTSIDE PERIPHERY
OIL PASSAGE TYPE AND QUANTITY	8 SLOT HORIZONTALLY THROUGH RING
RADIAL WALL THICKNESS	0.1770 INCHES NOMINAL IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	4.250 INCHES IN
MATERIAL	IRON OVERALL

OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

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

2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463

SUBSTITUTES & CROSS-REFERENCES 1

21134AReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HM21134A?

HM21134A is a RING,PISTON.

What parts can replace HM21134A?

There is 1 known substitute for HM21134A: 21134A. Substitute compatibility should be verified for your specific system.

What is the NSN for HM21134A?

HM21134A is cataloged in the U.S. Government catalog under NSN 2805-00-277-2933. This indicates validated use in U.S. government and defense supply chains.

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HM21134A — RING,PISTON

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