4074121 — COLD SECTION MODULE,AIRCRAFT GAS

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

4074121: COLD SECTION MODULE,AIRCRAFT GAS.

COLD SECTION MODULE,AIRCRAFT GAS. Key specifications include type/model_designation: AN/APS-503, end_item_identification: ACFT ENG 100-PW-100/200, criticality_code_justification: AGAV, general_characteristics_item_description: HOUSES THE THREE STAGE LOW PRESSURE FAN. This part is cataloged in the U.S.

Government catalog under NSN 2840-01-341-0179, 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

MRO→ MRO_GENERAL→ 4074121

NSN: 2840-01-341-0179
NIINs: 013410179, 013731883
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

type/model_designation	AN/APS-503
end_item_identification	ACFT ENG 100-PW-100/200
criticality_code_justification	AGAV
general_characteristics_item_description	HOUSES THE THREE STAGE LOW PRESSURE FAN
NSN	2840-01-341-0179

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: HOUSES THE THREE STAGE LOW PRESSURE FAN

•

CRITICALITY CODE JUSTIFICATION: AGAV

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION	HOUSES THE THREE STAGE LOW PRESSURE FAN
CRITICALITY CODE JUSTIFICATION	AGAV
END ITEM IDENTIFICATION	ACFT ENG 100-PW-100/200

SUBSTITUTES & CROSS-REFERENCES 3

4060121Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4080221Reference document

Same NSN cross-reference

Reference document — Secondary reference

4068121Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — complete disassembly

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FREQUENTLY ASKED QUESTIONS

What is 4074121?

4074121 is a COLD SECTION MODULE,AIRCRAFT GAS. It is classified as a MRO (MRO_GENERAL).

What parts can replace 4074121?

There are 3 known substitutes for 4074121: 4060121, 4080221, 4068121. Substitute compatibility should be verified for your specific system.

What is the NSN for 4074121?

4074121 is cataloged in the U.S. Government catalog under NSN 2840-01-341-0179. This indicates validated use in U.S. government and defense supply chains.

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4074121 — COLD SECTION MODULE,AIRCRAFT GAS

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