PartsTable
Technical Data Sheet
Download PDF

391590 — HOUSING ASSEMBLY,BREATHER PRESSU

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

391590: HOUSING ASSEMBLY,BREATHER PRESSU.

HOUSING ASSEMBLY,BREATHER PRESSU. Key specifications include special_features: FORM,FIT,FUNCTION, end_item_identification: VALVE ASSY,BREATHER PRESSURIZING P/N 782734,FSCM 77445;U/O TF 33-PW-100A A, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 2995-00-765-8149, 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
391590
NSN: 2995-00-765-8149
NIINs: 007658149, 008968190
FSC: 2995 — Miscellaneous Engine Accessories, Aircraft
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresFORM,FIT,FUNCTION
end_item_identificationVALVE ASSY,BREATHER PRESSURIZING P/N 782734,FSCM 77445;U/O TF 33-PW-100A A
criticality_code_justificationFEAT
NSN2995-00-765-8149
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING ASSEMBLY,BREATHER PRESSU TITLE COMPONENT PN 391590 MFR HOUSING ASSEMBLY,BREAT
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESFORM,FIT,FUNCTION
END ITEM IDENTIFICATIONVALVE ASSY,BREATHER PRESSURIZING P/N 782734,FSCM 77445;U/O TF 33-PW-100A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
Ready to buy 391590?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 391590?
391590 is a HOUSING ASSEMBLY,BREATHER PRESSU.
What is the NSN for 391590?
391590 is cataloged in the U.S. Government catalog under NSN 2995-00-765-8149. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 391590

✓ 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.