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Technical Data Sheet
PartsTable / COMPONENT / 03219
03219 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

FEEDER,CHEMICAL SOLUTION,WATER P. Key specifications include material: STEEL OR IRON OVERALL, body_type: CORED, head_type: SOLID, head_style: HEXAGON, head_height: 0.062 INCHES NOMINAL IN, thread_class: 3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-812-1334, 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
03219
NSN: 5305-00-812-1334
FSC: 5305
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
materialSTEEL OR IRON OVERALL
body_typeCORED
head_typeSOLID
head_styleHEXAGON
head_height0.062 INCHES NOMINAL IN
thread_class3A A
thread_length0.109 INCHES MINIMUM IN
screw_materialSTEEL CORROSION RESISTING
drive_end_styleRAISED SQUARE
fastener_length0.229 INCHES NOMINAL IN
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
NSN5305-00-812-1334
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 03219 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD LENGTH: 0.109 INCHES MINIMUM IN
•
HEAD STYLE: HEXAGON
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD HEIGHT: 0.062 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
SCREW SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.109 INCHES MINIMUM IN
HEAD STYLEHEXAGON
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD HEIGHT0.062 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
SCREW SURFACE TREATMENTPASSIVATE
WIDTH BETWEEN FLATS0.187 INCHES NOMINAL IN
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
103907Interchangeable
interchangeable cross-reference
interchangeable
9X261Interchangeable
interchangeable cross-reference
interchangeable
637425Interchangeable
interchangeable cross-reference
interchangeable
203562-1Interchangeable
interchangeable cross-reference
interchangeable
219Interchangeable
interchangeable cross-reference
interchangeable
3219Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03219?
03219 is a FEEDER,CHEMICAL SOLUTION,WATER P.
What parts can replace 03219?
There are 21 known substitutes for 03219: 103907, 9X261, 637425 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03219?
03219 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-812-1334. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026