B-70175-A — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B-70175-A: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, step_quantity: 19, end_similarity: IDENTICAL, overall_length: 37.562 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: THREADED CROSS DRILLED (THRU HOLE). This part is cataloged in the U.S.

Government catalog under NSN 3040-01-185-4373, 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

B-70175-A

NSN: 3040-01-185-4373
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 95402 — ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC (USA)

SPECIFICATIONS

material	NICKEL ALLOY
step_quantity	19
end_similarity	IDENTICAL
overall_length	37.562 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES
first_end_style	THREADED CROSS DRILLED (THRU HOLE)
first_end_diameter	0.5312 INCHES NOMINAL IN
largest_step_diameter	2.744 INCHES NOMINAL IN
material_document_and_classification	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
first_end_distance_from_hole_center_to_end	0.188 INCHES NOMINAL IN
NSN	3040-01-185-4373

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

STEP QUANTITY: 19

•

FIRST END DIAMETER: 0.5312 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 2.744 INCHES NOMINAL IN

•

FIRST END STYLE: THREADED CROSS DRILLED (THRU HOLE)

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE

•

END SIMILARITY: IDENTICAL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
STEP QUANTITY	19
FIRST END DIAMETER	0.5312 INCHES NOMINAL IN
LARGEST STEP DIAMETER	2.744 INCHES NOMINAL IN
FIRST END STYLE	THREADED CROSS DRILLED (THRU HOLE)
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	37.562 INCHES NOMINAL IN
END SIMILARITY	IDENTICAL
MATERIAL	NICKEL ALLOY
FIRST END DISTANCE FROM HOLE CENTER TO END	0.188 INCHES NOMINAL IN

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 3

X70175-AReference document

Same NSN cross-reference

Reference document — Secondary reference

D-75-944-37Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

D-75-944-37 PIECE 1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B-70175-A?

B-70175-A is a SHAFT,SHOULDERED.

What parts can replace B-70175-A?

There are 3 known substitutes for B-70175-A: X70175-A, D-75-944-37, D-75-944-37 PIECE 1. Substitute compatibility should be verified for your specific system.

What is the NSN for B-70175-A?

B-70175-A is cataloged in the U.S. Government catalog under NSN 3040-01-185-4373. This indicates validated use in U.S. government and defense supply chains.

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