55A40D12-1 — BELL CRANK

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

55A40D12-1: BELL CRANK.

The BELL CRANK is a the manufacturer industrial component. Key specifications include material: STEEL, bore_length: 1.437 INCHES NOMINAL IN, bore_diameter: 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, special_features: CADMIUM SURFACE TREATMENT, material_document_and_classification: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-216-2214, 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

55A40D12-1

NSN: 3040-00-216-2214
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL
bore_length	1.437 INCHES NOMINAL IN
bore_diameter	0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
special_features	CADMIUM SURFACE TREATMENT
material_document_and_classification	MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
NSN	3040-00-216-2214

COMPONENT DIAGRAM

KEY FEATURES

•

BORE LENGTH: 1.437 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE

•

BORE DIAMETER: 0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN

•

MATERIAL: STEEL

TECHNICAL CHARACTERISTICS

BORE LENGTH	1.437 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE
SPECIAL FEATURES	CADMIUM SURFACE TREATMENT
BORE DIAMETER	0.437 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
MATERIAL	STEEL

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 1

48A9H5-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 55A40D12-1?

55A40D12-1 is a BELL CRANK.

What parts can replace 55A40D12-1?

There is 1 known substitute for 55A40D12-1: 48A9H5-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 55A40D12-1?

55A40D12-1 is cataloged in the U.S. Government catalog under NSN 3040-00-216-2214. This indicates validated use in U.S. government and defense supply chains.

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55A40D12-1 — BELL CRANK

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