9M187C156 — RING,RETAINING

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

9M187C156: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 301, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 1.456 INCHES MINIMUM AND 1.476 INCHES MAXIMUM IN, major_thickness: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-157-3665, 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

9M187C156

NSN: 5325-01-157-3665
FSC: 5325 — Fastening Devices
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP 302 OR STEEL COMP 301
ring_style	SPIRAL
usage_design	EXTERNAL
inside_diameter	1.456 INCHES MINIMUM AND 1.476 INCHES MAXIMUM IN
major_thickness	0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
strength_rating	ERR-060
outside_diameter	1.672 INCHES MINIMUM AND 1.692 INCHES MAXIMUM IN
surface_treatment	PASSIVATE
casehardening_indicator	NOT CASEHARDENED
cross-sectional_shape_style	DOUBLE OVAL
surface_treatment_document_and_classification	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN	5325-01-157-3665

COMPONENT DIAGRAM

KEY FEATURES

•

USAGE DESIGN: EXTERNAL

•

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

•

STRENGTH RATING: ERR-060

•

MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66, COMP 302 FED STD 1ST MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 2ND MATERIAL RESPONSE AND AMS 5519 ASSN STD 3RD MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 4TH MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL

•

OUTSIDE DIAMETER: 1.672 INCHES MINIMUM AND 1.692 INCHES MAXIMUM IN

•

MAJOR THICKNESS: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN

•

INSIDE DIAMETER: 1.456 INCHES MINIMUM AND 1.476 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

USAGE DESIGN	EXTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
STRENGTH RATING	ERR-060
MATERIAL DOCUMENT AND CLASSIFICATION	FED STD 66, COMP 302 FED STD 1ST MATERIAL RESPONSE AND MIL-S-5059, TYPE 302 MIL SPEC 2ND MATERIAL RESPONSE AND AMS 5519 ASSN STD 3RD MATERIAL RESPONSE AND QQ-S-766, CLASS 302 FED SPEC 4TH MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	DOUBLE OVAL
OUTSIDE DIAMETER	1.672 INCHES MINIMUM AND 1.692 INCHES MAXIMUM IN
MAJOR THICKNESS	0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
INSIDE DIAMETER	1.456 INCHES MINIMUM AND 1.476 INCHES MAXIMUM IN
CASEHARDENING INDICATOR	NOT CASEHARDENED
RING STYLE	SPIRAL

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

RST-156-SP-M9Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 9M187C156?

9M187C156 is a RING,RETAINING.

What parts can replace 9M187C156?

There is 1 known substitute for 9M187C156: RST-156-SP-M9. Substitute compatibility should be verified for your specific system.

What is the NSN for 9M187C156?

9M187C156 is cataloged in the U.S. Government catalog under NSN 5325-01-157-3665. This indicates validated use in U.S. government and defense supply chains.

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