1S9540 — 1S9540

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1S9540: 1S9540.

The 1S9540 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2990-01-103-6817, 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

1S9540

NSN: 2990-01-103-6817
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

Part Number	1S9540
NSN	2990-01-103-6817

COMPONENT DIAGRAM

OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft

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

2990-00-001-0001 2990-00-001-1248 2990-00-001-1250 2990-00-001-2055 2990-00-001-3498 2990-00-001-3520 2990-00-001-3521 2990-00-001-3522

SUBSTITUTES & CROSS-REFERENCES 1

3TM987Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 1S9540?

1S9540 is a 1S9540.

What parts can replace 1S9540?

There is 1 known substitute for 1S9540: 3TM987. Substitute compatibility should be verified for your specific system.

What is the NSN for 1S9540?

1S9540 is cataloged in the U.S. Government catalog under NSN 2990-01-103-6817. This indicates validated use in U.S. government and defense supply chains.

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