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Technical Data Sheet
PartsTable / COMPONENT / 28212B
28212B ✓ 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, stem_style: DRILLED, head_height: 0.1562 INCHES NOMINAL IN, neck_radius: 0.2500 INCHES NOMINAL IN, stem_length: 3.7657 INCHES NOMINAL IN, hole_diameter: 0.1280 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-271-9544, 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
28212B
NSN: 2805-00-271-9544
FSC: 2805
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleDRILLED
head_height0.1562 INCHES NOMINAL IN
neck_radius0.2500 INCHES NOMINAL IN
stem_length3.7657 INCHES NOMINAL IN
hole_diameter0.1280 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
stem_diameter0.3437 INCHES NOMINAL IN
chamfer_length0.0312 INCHES NOMINAL IN
outside_diameter1.3594 INCHES NOMINAL IN
seat_angle_in_deg30.0
carbon_relief_grooveNOT INCLUDED
chamfer_angle_in_deg45.0
NSN2805-00-271-9544
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 28212B MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
STEM DIAMETER: 0.3437 INCHES NOMINAL IN
•
METALLIC HARDNESS RATING AND LOCATION: 40.0 ROCKWELL C MINIMUM STEM
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
SEAT ANGLE IN DEG: 30.0
•
HOLE DIAMETER: 0.1280 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
•
STEM LENGTH: 3.7657 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
STEM DIAMETER0.3437 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MINIMUM STEM
METALLIC HARDNESS RATING AND LOCATION45.0 ROCKWELL C MAXIMUM STEM
FSC APPLICATION DATAGASOLINE ENGINE
SEAT ANGLE IN DEG30.0
HOLE DIAMETER0.1280 INCHES MINIMUM AND 0.1310 INCHES MAXIMUM IN
STEM LENGTH3.7657 INCHES NOMINAL IN
NECK RADIUS0.2500 INCHES NOMINAL IN
HEAD STYLEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
51768Interchangeable
interchangeable cross-reference
interchangeable
Q607A1076Interchangeable
interchangeable cross-reference
interchangeable
Q607A1050Interchangeable
interchangeable cross-reference
interchangeable
CDLS16325-1Interchangeable
interchangeable cross-reference
interchangeable
16325-1Interchangeable
interchangeable cross-reference
interchangeable
28212Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28212B?
28212B is a VALVE,POPPET,ENGINE.
What parts can replace 28212B?
There are 23 known substitutes for 28212B: 51768, Q607A1076, Q607A1050 and 20 more. Substitute compatibility should be verified for your specific system.
Is 28212B still available?
28212B 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