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B2290 — GUIDE,STEAM TURBINE GOVERNOR VAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B2290: GUIDE,STEAM TURBINE GOVERNOR VAL.

GUIDE,STEAM TURBINE GOVERNOR VAL. Key specifications include material: COPPER ALLOY, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.250 INCHES NOMINAL IN, body_inside_diameter: 3.500 INCHES NOMINAL IN, body_outside_diameter: 5.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-363-5553, 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
B2290
NSN: 4320-00-363-5553
NIINs: 003635553, 012487259
FSC: 4320 — Power and Hand Pumps
CAGE: 10119 — HARTFORD COMPRESSORS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length0.250 INCHES NOMINAL IN
bolt_hole_quantity3
body_inside_diameter3.500 INCHES NOMINAL IN
body_outside_diameter5.500 INCHES NOMINAL IN
end_item_identificationTERRY CORP MAIN FEED PUMP MODEL NO. BHBSCS
unthreaded_mounting_hole_diameter0.406 INCHES NOMINAL IN
NSN4320-00-363-5553
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUIDE,STEAM TURBINE GOVERNOR VAL TITLE COMPONENT PN B2290 MFR GUIDE,STEAM TURBINE GO
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 5.500 INCHES NOMINAL IN
•
UNTHREADED MOUNTING HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 3.500 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 3
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER5.500 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.406 INCHES NOMINAL IN
OVERALL LENGTH0.250 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY3
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B2290?
B2290 is a GUIDE,STEAM TURBINE GOVERNOR VAL.
What is the NSN for B2290?
B2290 is cataloged in the U.S. Government catalog under NSN 4320-00-363-5553. 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.