SS139 — SHAFT,STRAIGHT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SS139: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: IDENTICAL, overall_length: 3.090 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN, surface_finish: 10.0 MICROINCHES, first_end_style: PLAIN, first_end_diameter: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-252-8444, 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

SS139

NSN: 3040-01-252-8444
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 23266 — SECS INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
end_similarity	IDENTICAL
overall_length	3.090 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN
surface_finish	10.0 MICROINCHES
first_end_style	PLAIN
first_end_diameter	0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
NSN	3040-01-252-8444

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 10.0 MICROINCHES

•

FIRST END DIAMETER: 0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN

•

FIRST END STYLE: PLAIN

•

END SIMILARITY: IDENTICAL

•

MATERIAL: STEEL CORROSION RESISTING

TECHNICAL CHARACTERISTICS

SURFACE FINISH	10.0 MICROINCHES
FIRST END DIAMETER	0.2495 INCHES MINIMUM AND 0.2497 INCHES MAXIMUM IN
FIRST END STYLE	PLAIN
OVERALL LENGTH	3.090 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN
END SIMILARITY	IDENTICAL
MATERIAL	STEEL CORROSION RESISTING

SUBSTITUTES & CROSS-REFERENCES 5

AAS-A4-25Reference document

Same NSN cross-reference

Reference document — Secondary reference

7X1-08-40Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

G4-32Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

S4-40Reference document

Same NSN cross-reference

Reference document — Secondary reference

728Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SS139?

SS139 is a SHAFT,STRAIGHT.

What parts can replace SS139?

There are 5 known substitutes for SS139: AAS-A4-25, 7X1-08-40, G4-32 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for SS139?

SS139 is cataloged in the U.S. Government catalog under NSN 3040-01-252-8444. This indicates validated use in U.S. government and defense supply chains.

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