ST9M449C400 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST9M449C400: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, ring_style: SPECIAL, usage_design: INTERNAL, inside_diameter: 3.749 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN, major_thickness: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-189-3897, 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

ST9M449C400

NSN: 5325-01-189-3897
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP 302
ring_style	SPECIAL
usage_design	INTERNAL
inside_diameter	3.749 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN
major_thickness	0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
strength_rating	ERR-060
outside_diameter	4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN
surface_treatment	PASSIVATE
casehardening_indicator	NOT CASEHARDENED
cross-sectional_shape_style	ROUNDED CORNERS
material_document_and_classification	SAE 302 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN	5325-01-189-3897

COMPONENT DIAGRAM

KEY FEATURES

•

USAGE DESIGN: INTERNAL

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE

•

STRENGTH RATING: ERR-060

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE 302 ASSN STD SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS

•

OUTSIDE DIAMETER: 4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN

•

MAJOR THICKNESS: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 3.749 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

USAGE DESIGN	INTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
STRENGTH RATING	ERR-060
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 302 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	ROUNDED CORNERS
OUTSIDE DIAMETER	4.135 INCHES MINIMUM AND 4.165 INCHES MAXIMUM IN
MAJOR THICKNESS	0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
INSIDE DIAMETER	3.749 INCHES MINIMUM AND 3.799 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPECIAL

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 1

UR-400SP-M9Same 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 ST9M449C400?

ST9M449C400 is a RING,RETAINING.

What parts can replace ST9M449C400?

There is 1 known substitute for ST9M449C400: UR-400SP-M9. Substitute compatibility should be verified for your specific system.

What is the NSN for ST9M449C400?

ST9M449C400 is cataloged in the U.S. Government catalog under NSN 5325-01-189-3897. This indicates validated use in U.S. government and defense supply chains.

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