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F4-173 — SHAFT,STRAIGHT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

F4-173: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 4.375 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: FLAT KEYWAY, first_end_diameter: 1.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-354-7681, 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
F4-173
NSN: 3040-00-354-7681
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 80072 — H20 TANK INC U S MOTORS DIV (USA)
SPECIFICATIONS
materialSTEEL
end_similarityNOT IDENTICAL
overall_length4.375 INCHES NOMINAL IN
first_end_stylePLAIN
second_end_styleFLAT KEYWAY
first_end_diameter1.3750 INCHES NOMINAL IN
second_end_diameter1.3750 INCHES NOMINAL IN
external_keyway_length4.750 INCHES NOMINAL SECOND END IN
second_end_keyway_depth0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
second_end_keyway_width0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
NSN3040-00-354-7681
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN F4-173 MFR SHAFT,STRAIGHT
KEY FEATURES
•
FIRST END DIAMETER: 1.3750 INCHES NOMINAL IN
•
SECOND END DIAMETER: 1.3750 INCHES NOMINAL IN
•
FIRST END STYLE: PLAIN
•
SECOND END KEYWAY WIDTH: 0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
•
SECOND END KEYWAY DEPTH: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
END SIMILARITY: NOT IDENTICAL
•
SECOND END STYLE: FLAT KEYWAY
TECHNICAL CHARACTERISTICS
FIRST END DIAMETER1.3750 INCHES NOMINAL IN
SECOND END DIAMETER1.3750 INCHES NOMINAL IN
FIRST END STYLEPLAIN
SECOND END KEYWAY WIDTH0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
OVERALL LENGTH4.375 INCHES NOMINAL IN
SECOND END KEYWAY DEPTH0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
END SIMILARITYNOT IDENTICAL
SECOND END STYLEFLAT KEYWAY
MATERIALSTEEL
EXTERNAL KEYWAY LENGTH4.750 INCHES NOMINAL SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 1
GF4-173Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F4-173?
F4-173 is a SHAFT,STRAIGHT.
What parts can replace F4-173?
There is 1 known substitute for F4-173: GF4-173. Substitute compatibility should be verified for your specific system.
What is the NSN for F4-173?
F4-173 is cataloged in the U.S. Government catalog under NSN 3040-00-354-7681. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.