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Technical Data Sheet
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491730 — VALVE,BLEED CONTROL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

491730: VALVE,BLEED CONTROL.

The VALVE,BLEED CONTROL is a the manufacturer industrial component. Key specifications include end_item_identification: 2995001398687 743548 CONTROL ASSY,PRESSURE RATIO BLEED,ACFT ENGINE, general_characteristics_item_description: CRES,2.534 IN. LG,0.398 TO 0.402 IN.

OD,OPEN IN. This part is cataloged in the U.S. Government catalog under NSN 2995-00-920-3597, 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
491730
NSN: 2995-00-920-3597
NIINs: 009203597, 011480940
FSC: 2995 — Miscellaneous Engine Accessories, Aircraft
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identification2995001398687 743548 CONTROL ASSY,PRESSURE RATIO BLEED,ACFT ENGINE
general_characteristics_item_descriptionCRES,2.534 IN. LG,0.398 TO 0.402 IN. OD,OPEN IN
NSN2995-00-920-3597
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,BLEED CONTROL TITLE COMPONENT PN 491730 MFR VALVE,BLEED CONTROL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,2.534 IN. LG,0.398 TO 0.402 IN. OD,OPEN IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,2.534 IN. LG,0.398 TO 0.402 IN. OD,OPEN IN
END ITEM IDENTIFICATION2995001398687 743548 CONTROL ASSY,PRESSURE RATIO BLEED,ACFT ENGINE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 491730?
491730 is a VALVE,BLEED CONTROL.
What is the NSN for 491730?
491730 is cataloged in the U.S. Government catalog under NSN 2995-00-920-3597. 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.