BB421-6-3 — SPACER,SLEEVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

BB421-6-3: SPACER,SLEEVE.

The SPACER,SLEEVE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0420 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN, overall_length: 0.1870 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-034-5256, 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

BB421-6-3

NSN: 5365-00-034-5256
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
corner_shape	SQUARE ALL CORNERS
flange_width	0.0420 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
overall_length	0.1870 INCHES NOMINAL IN
style_designator	SOLID, EXTERNAL FLANGE ONE END
body_inside_diameter	0.1250 INCHES NOMINAL IN
body_outside_diameter	0.1930 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
flange_outside_diameter	0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
material_document_and_classification	AMS 5525,A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5365-00-034-5256

COMPONENT DIAGRAM

KEY FEATURES

•

CORNER SHAPE: SQUARE ALL CORNERS

•

FLANGE OUTSIDE DIAMETER: 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN

•

BODY OUTSIDE DIAMETER: 0.1930 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525,A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

BODY INSIDE DIAMETER: 0.1250 INCHES NOMINAL IN

•

FLANGE WIDTH: 0.0420 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

CORNER SHAPE	SQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER	0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER	0.1930 INCHES MINIMUM AND 0.1960 INCHES MAXIMUM IN
STYLE DESIGNATOR	SOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5525,A286 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH	0.1870 INCHES NOMINAL IN
BODY INSIDE DIAMETER	0.1250 INCHES NOMINAL IN
FLANGE WIDTH	0.0420 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN
MATERIAL	IRON ALLOY 660 OVERALL

OTHER ITEMS IN FSC 5365 — Bushings, Rings, Shims, and Spacers

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

5365-00-000-6078 5365-00-000-7436 5365-00-001-1292 5365-00-001-1365 5365-00-001-1841 5365-00-001-1915 5365-00-001-1916 5365-00-001-1940

SUBSTITUTES & CROSS-REFERENCES 1

GS530AG6-3Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BB421-6-3?

BB421-6-3 is a SPACER,SLEEVE.

What parts can replace BB421-6-3?

There is 1 known substitute for BB421-6-3: GS530AG6-3. Substitute compatibility should be verified for your specific system.

What is the NSN for BB421-6-3?

BB421-6-3 is cataloged in the U.S. Government catalog under NSN 5365-00-034-5256. This indicates validated use in U.S. government and defense supply chains.

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