451690 — SUPPORT,BEARING,AIRCRAFT GAS TUR

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

451690: SUPPORT,BEARING,AIRCRAFT GAS TUR.

SUPPORT,BEARING,AIRCRAFT GAS TUR. Key specifications include overall_length: 3.340 INCHES NOMINAL IN, special_features: TO BE USED ON P-3; P-5 AND THE PW103 ONLY; SUPERSEDES P/NS 436387, 452375, 451690 AND 463729, end_item_identification: GUARDRAIL/COMMON SENSORS AN/USD-9, reference_data_and_literature: T.O. 2J-TF33-4, FIG 3, IND 18, criticality_code_justification: AGAV.

This part is cataloged in the U.S. Government catalog under NSN 2840-00-055-1224, 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→ 451690

NSN: 2840-00-055-1224
NIINs: 000551224, 012258321
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

overall_length	3.340 INCHES NOMINAL IN
special_features	TO BE USED ON P-3; P-5 AND THE PW103 ONLY; SUPERSEDES P/NS 436387, 452375, 451690 AND 463729
end_item_identification	GUARDRAIL/COMMON SENSORS AN/USD-9
reference_data_and_literature	T.O. 2J-TF33-4, FIG 3, IND 18
criticality_code_justification	AGAV
NSN	2840-00-055-1224

COMPONENT DIAGRAM

KEY FEATURES

•

CRITICALITY CODE JUSTIFICATION: AGAV

•

REFERENCE DATA AND LITERATURE: T.O. 2J-TF33-4, FIG 3, IND 18

TECHNICAL CHARACTERISTICS

CRITICALITY CODE JUSTIFICATION	AGAV
REFERENCE DATA AND LITERATURE	T.O. 2J-TF33-4, FIG 3, IND 18
OVERALL LENGTH	3.340 INCHES NOMINAL IN
SPECIAL FEATURES	TO BE USED ON P-3; P-5 AND THE PW103 ONLY; SUPERSEDES P/NS 436387, 452375, 451690 AND 463729
END ITEM IDENTIFICATION	ACFT ENG TF33

SUBSTITUTES & CROSS-REFERENCES 2

784304Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

463729Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Demilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is 451690?

451690 is a SUPPORT,BEARING,AIRCRAFT GAS TUR. It is classified as a MRO (MRO_GENERAL).

What parts can replace 451690?

There are 2 known substitutes for 451690: 784304, 463729. Substitute compatibility should be verified for your specific system.

What is the NSN for 451690?

451690 is cataloged in the U.S. Government catalog under NSN 2840-00-055-1224. This indicates validated use in U.S. government and defense supply chains.

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451690 — SUPPORT,BEARING,AIRCRAFT GAS TUR

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