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Technical Data Sheet
PartsTable / COMPONENT / G19-5-12
G19-5-12 ✓ 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

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: CROWNED HEXAGON, grip_length: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, head_height: 0.172 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.188 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN, fastener_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-286-1353, 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
G19-5-12
NSN: 5306-00-286-1353
FSC: 5306
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_styleCROWNED HEXAGON
grip_length0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
head_height0.172 INCHES NOMINAL IN
thread_class3A A
thread_length1.188 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
fastener_length1.250 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.500 INCHES NOMINAL IN
NSN5306-00-286-1353
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G19-5-12 · 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 CLASS: 3A A
•
GRIP LENGTH: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.172 INCHES NOMINAL IN
•
THREAD LENGTH: 1.188 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: CROWNED HEXAGON
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
GRIP LENGTH0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
HEAD HEIGHT0.172 INCHES NOMINAL IN
THREAD LENGTH1.188 INCHES MINIMUM AND 1.219 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLECROWNED HEXAGON
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
FASTENER LENGTH1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
078931Interchangeable
interchangeable cross-reference
interchangeable
7893Interchangeable
interchangeable cross-reference
interchangeable
7028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G19-5-12?
G19-5-12 is a BOLT,MACHINE.
What parts can replace G19-5-12?
There are 3 known substitutes for G19-5-12: 078931, 7893, 7028. Substitute compatibility should be verified for your specific system.
Is G19-5-12 still available?
G19-5-12 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