165A637-1 — SHAFT,STRAIGHT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

165A637-1: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, end_similarity: NOT IDENTICAL, overall_length: 4.690 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED, second_end_style: SPLINED (INVOLUTE), special_features: HAS. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-398-1983, 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

165A637-1

NSN: 3040-01-398-1983
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 303
end_similarity	NOT IDENTICAL
overall_length	4.690 INCHES NOMINAL IN
first_end_style	CIRCULAR GROOVED
second_end_style	SPLINED (INVOLUTE)
special_features	HAS
first_end_diameter	0.3750 INCHES NOMINAL IN
second_end_diameter	0.2300 INCHES NOMINAL IN
first_end_groove_width	0.0290 INCHES NOMINAL IN
second_end_spline_length	0.3320 INCHES NOMINAL IN
first_end_groove_diameter	0.3520 INCHES NOMINAL IN
second_end_pitch_diameter	0.2375 INCHES NOMINAL IN
NSN	3040-01-398-1983

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END DIAMETER: 0.3750 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.2300 INCHES NOMINAL IN

•

SECOND END SPLINE MINOR DIAMETER: 0.2190 INCHES MINIMUM IN

•

FIRST END STYLE: CIRCULAR GROOVED

•

SECOND END SPLINE MAJOR DIAMETER: 0.2500 INCHES MAXIMUM IN

•

END SIMILARITY: NOT IDENTICAL

•

FIRST END DISTANCE FROM END TO GROOVE: 0.1320 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FIRST END DIAMETER	0.3750 INCHES NOMINAL IN
SECOND END DIAMETER	0.2300 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER	0.2190 INCHES MINIMUM IN
FIRST END STYLE	CIRCULAR GROOVED
SECOND END SPLINE MAJOR DIAMETER	0.2500 INCHES MAXIMUM IN
OVERALL LENGTH	4.690 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE	0.1320 INCHES NOMINAL IN
SECOND END SPLINE QUANTITY	19
SECOND END PRESSURE ANGLE	45.0 DEGREES NOMINAL

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

165A637Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 165A637-1?

165A637-1 is a SHAFT,STRAIGHT.

What parts can replace 165A637-1?

There is 1 known substitute for 165A637-1: 165A637. Substitute compatibility should be verified for your specific system.

What is the NSN for 165A637-1?

165A637-1 is cataloged in the U.S. Government catalog under NSN 3040-01-398-1983. This indicates validated use in U.S. government and defense supply chains.

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165A637-1 — SHAFT,STRAIGHT

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