676-1764-049 — RING,WEARING

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

676-1764-049: RING,WEARING.

The RING,WEARING is a the manufacturer industrial component. Key specifications include material: IRON, corner_shape: SQUARE ALL CORNERS, overall_length: 0.938 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES INSIDE, body_inside_diameter: 3.729 INCHES NOMINAL IN, body_outside_diameter: 4.234 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-075-7440, 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

676-1764-049

NSN: 4320-00-075-7440
FSC: 4320 — Power and Hand Pumps
CAGE: 04579 — AURORA PUMP A UNIT OF GENERAL SIGNAL CORP (USA)

SPECIFICATIONS

material	IRON
corner_shape	SQUARE ALL CORNERS
overall_length	0.938 INCHES NOMINAL IN
surface_finish	63.0 MICROINCHES INSIDE
body_inside_diameter	3.729 INCHES NOMINAL IN
body_outside_diameter	4.234 INCHES NOMINAL IN
distance_below_centerline	0.125 INCHES NOMINAL IN
material_document_and_classification	MIL-I-18397,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE
largest_external_anchor_flange_radius	2.250 INCHES NOMINAL IN
NSN	4320-00-075-7440

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES INSIDE

•

CORNER SHAPE: SQUARE ALL CORNERS

•

BODY OUTSIDE DIAMETER: 4.234 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-I-18397,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES INSIDE
SURFACE FINISH	63.0 MICROINCHES LEFT FACE
SURFACE FINISH	63.0 MICROINCHES OUTSIDE
SURFACE FINISH	63.0 MICROINCHES RIGHT FACE
CORNER SHAPE	SQUARE ALL CORNERS
BODY OUTSIDE DIAMETER	4.234 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-I-18397,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	0.938 INCHES NOMINAL IN
DISTANCE BELOW CENTERLINE	0.125 INCHES NOMINAL IN
BODY INSIDE DIAMETER	3.729 INCHES NOMINAL IN

OTHER ITEMS IN FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384

SUBSTITUTES & CROSS-REFERENCES 4

2HCS251PC22ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

55-22268-18U/SSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

676-1764-262Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

676-1764-261Reference document

Same NSN cross-reference

Reference document — Secondary 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 676-1764-049?

676-1764-049 is a RING,WEARING.

What parts can replace 676-1764-049?

There are 4 known substitutes for 676-1764-049: 2HCS251PC22A, 55-22268-18U/S, 676-1764-262 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 676-1764-049?

676-1764-049 is cataloged in the U.S. Government catalog under NSN 4320-00-075-7440. This indicates validated use in U.S. government and defense supply chains.

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