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PartsTable / COMPONENT / BB23405
BB23405 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, head_height: 0.2500 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN, neck_radius: 0.4375 INCHES NOMINAL IN, stem_length: 6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM IN, stem_diameter: 0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN, chamfer_length: 0.0312 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-271-9549, 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
BB23405
NSN: 2815-00-271-9549
FSC: 2815
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
head_styleFLAT
head_height0.2500 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
neck_radius0.4375 INCHES NOMINAL IN
stem_length6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM IN
stem_diameter0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
chamfer_length0.0312 INCHES NOMINAL IN
outside_diameter1.9980 INCHES MINIMUM AND 2.0020 INCHES MAXIMUM IN
unable_to_decodeUNABLE TO DECODE
seat_angle_in_deg45.0
first_groove_width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
third_groove_width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
second_groove_width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
NSN2815-00-271-9549
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN BB23405 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
METALLIC HARDNESS RATING AND LOCATION: 44.0 ROCKWELL C MAXIMUM HEAD
•
CHAMFER ANGLE IN DEG: 45.0
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
SECOND GROOVE DIAMETER: 0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
•
STEM LENGTH: 6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
METALLIC HARDNESS RATING AND LOCATION44.0 ROCKWELL C MAXIMUM HEAD
METALLIC HARDNESS RATING AND LOCATION37.0 ROCKWELL C MINIMUM HEAD
CHAMFER ANGLE IN DEG45.0
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
SECOND GROOVE DIAMETER0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION44.0 ROCKWELL C MAXIMUM STEM
STEM LENGTH6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM IN
THIRD GROOVE WIDTH0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
THIRD GROOVE DIAMETER0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
2030-789Interchangeable
interchangeable cross-reference
interchangeable
16FM18C7-32Interchangeable
interchangeable cross-reference
interchangeable
7-32BALLGRADE2Interchangeable
interchangeable cross-reference
interchangeable
GB-230Interchangeable
interchangeable cross-reference
interchangeable
1043-1CInterchangeable
interchangeable cross-reference
interchangeable
1103940CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB23405?
BB23405 is a VALVE,POPPET,ENGINE.
What parts can replace BB23405?
There are 19 known substitutes for BB23405: 2030-789, 16FM18C7-32, 7-32BALLGRADE2 and 16 more. Substitute compatibility should be verified for your specific system.
Is BB23405 still available?
BB23405 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026