2578843-001A — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

2578843-001A: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 4.072 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN, outside_diameter: 4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-478-2745, 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

2578843-001A

NSN: 5325-00-478-2745
FSC: 5325 — Fastening Devices
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 304
end_style	90 DEGREE PARALLEL
ring_style	STRAIGHT GAP
usage_design	EXTERNAL
inside_diameter	4.072 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN
outside_diameter	4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN
material_diameter	0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
surface_treatment	PASSIVATE
casehardening_indicator	NOT CASEHARDENED
cross-sectional_shape_style	ROUND
material_document_and_classification	QQ-W-423, COMP 302, COND B FED SPEC 1ST MATERIAL RESPONSE AND QQ-W-423, COMP 304, COND B FED SPEC 2ND MATERIAL RESPONSE
NSN	5325-00-478-2745

COMPONENT DIAGRAM

KEY FEATURES

•

USAGE DESIGN: EXTERNAL

•

END STYLE: 90 DEGREE PARALLEL

•

MATERIAL DIAMETER: 0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423, COMP 302, COND B FED SPEC 1ST MATERIAL RESPONSE AND QQ-W-423, COMP 304, COND B FED SPEC 2ND MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: ROUND

•

OUTSIDE DIAMETER: 4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 4.072 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

USAGE DESIGN	EXTERNAL
END STYLE	90 DEGREE PARALLEL
MATERIAL DIAMETER	0.185 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-423, COMP 302, COND B FED SPEC 1ST MATERIAL RESPONSE AND QQ-W-423, COMP 304, COND B FED SPEC 2ND MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	ROUND
OUTSIDE DIAMETER	4.450 INCHES MINIMUM AND 4.510 INCHES MAXIMUM IN
INSIDE DIAMETER	4.072 INCHES MINIMUM AND 4.140 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	STRAIGHT GAP
SURFACE TREATMENT	PASSIVATE

OTHER ITEMS IN FSC 5325 — Fastening Devices

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

5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2578843-001A?

2578843-001A is a RING,RETAINING.

What is the NSN for 2578843-001A?

2578843-001A is cataloged in the U.S. Government catalog under NSN 5325-00-478-2745. This indicates validated use in U.S. government and defense supply chains.

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2578843-001A — RING,RETAINING

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