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596622 — HOUSING,OIL PUMP ASSEMBLY,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

596622: HOUSING,OIL PUMP ASSEMBLY,ENGINE.

HOUSING,OIL PUMP ASSEMBLY,ENGINE. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 1.228 INCHES MINIMUM AND 1.272 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 2995-00-531-5263, 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
596622
NSN: 2995-00-531-5263
NIINs: 005315263, 006386701
FSC: 2995 — Miscellaneous Engine Accessories, Aircraft
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height1.228 INCHES MINIMUM AND 1.272 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch12
material_document_and_classificationASTM A576 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 3RD MATERIAL RESPONSE OVERALL
NSN2995-00-531-5263
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING,OIL PUMP ASSEMBLY,ENGINE TITLE COMPONENT PN 596622 MFR HOUSING,OIL PUMP ASSEM
KEY FEATURES
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FSC APPLICATION DATA: GAS TURBINES AND JET ENGINES,AIRCRAFT; AND COMPONENTS
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGAS TURBINES AND JET ENGINES,AIRCRAFT; AND COMPONENTS
SUBSTITUTES & CROSS-REFERENCES 5
655426Reference document
Same NSN cross-reference
Reference document — Secondary reference
384831Reference document
Same NSN cross-reference
Reference document — Secondary reference
483579Reference document
Same NSN cross-reference
Reference document — Secondary reference
385409Reference document
Same NSN cross-reference
Reference document — Secondary reference
655440Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 596622?
596622 is a HOUSING,OIL PUMP ASSEMBLY,ENGINE.
What parts can replace 596622?
There are 5 known substitutes for 596622: 655426, 384831, 483579 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 596622?
596622 is cataloged in the U.S. Government catalog under NSN 2995-00-531-5263. 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.