1664321 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

1664321: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1090, ring_style: SPECIAL, usage_design: EXTERNAL, inside_diameter: 1.803 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN, major_thickness: 0.074 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-576-0356, 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

1664321

NSN: 5325-00-576-0356
FSC: 5325 — Fastening Devices
CAGE: 93334 — ATWOOD FENCE CO INC (USA)

SPECIFICATIONS

material	STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1090
ring_style	SPECIAL
usage_design	EXTERNAL
inside_diameter	1.803 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN
major_thickness	0.074 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
strength_rating	ERR-060
casehardening_indicator	NOT CASEHARDENED
material_hardness_rating	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_style	ROUNDED CORNERS
material_document_and_classification	ASTM A576, COMP 1060, 1070, 1078, 1080, 1084 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN	5325-00-576-0356

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM

•

USAGE DESIGN: EXTERNAL

•

STRENGTH RATING: ERR-060

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576, COMP 1060, 1070, 1078, 1080, 1084 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS

•

MAJOR THICKNESS: 0.074 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 1.803 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN

•

CASEHARDENING INDICATOR: NOT CASEHARDENED

TECHNICAL CHARACTERISTICS

MATERIAL HARDNESS RATING	47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGN	EXTERNAL
STRENGTH RATING	ERR-060
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A576, COMP 1060, 1070, 1078, 1080, 1084 OR 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	ROUNDED CORNERS
MAJOR THICKNESS	0.074 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
INSIDE DIAMETER	1.803 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPECIAL
MATERIAL	STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1090

SUBSTITUTES & CROSS-REFERENCES 4

91726Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS90708-200Reference document

Same NSN cross-reference

Reference document — Secondary reference

7057633Reference document

Same NSN cross-reference

Reference document — Secondary reference

5107-200Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 1664321?

1664321 is a RING,RETAINING.

What parts can replace 1664321?

There are 4 known substitutes for 1664321: 91726, MS90708-200, 7057633 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 1664321?

1664321 is cataloged in the U.S. Government catalog under NSN 5325-00-576-0356. This indicates validated use in U.S. government and defense supply chains.

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