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Technical Data Sheet
PartsTable / COMPONENT / G42-7
G42-7 ✓ 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 SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, head_style: FLAT CHAMFER, head_height: 0.312 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-412-9975, 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
G42-7
NSN: 5305-00-412-9975
FSC: 5305
CAGE: 00328 — DESIGNATRONICS INCORPORATED DIV STERLING INSTRUMENTS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
head_styleFLAT CHAMFER
head_height0.312 INCHES NOMINAL IN
thread_class2A A
head_diameter0.250 INCHES NOMINAL IN
thread_length0.188 INCHES NOMINAL IN
end_similarityNOT IDENTICAL
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.688 INCHES NOMINAL IN
first_end_styleCIRCULAR GROOVED
shoulder_length0.500 INCHES NOMINAL FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-00-412-9975
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G42-7 · 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
•
SHOULDER LENGTH: 0.500 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD CLASS: 2A A
•
THREAD LENGTH: 0.188 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
HEAD DIAMETER: 0.250 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SHOULDER LENGTH0.500 INCHES NOMINAL FIRST SHOULDER IN
THREAD CLASS2A A
THREAD LENGTH0.188 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.250 INCHES NOMINAL IN
HEAD HEIGHT0.312 INCHES NOMINAL IN
FASTENER LENGTH0.688 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
A3-33Interchangeable
interchangeable cross-reference
interchangeable
723Interchangeable
interchangeable cross-reference
interchangeable
AAS-A4-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G42-7?
G42-7 is a SHAFT,STRAIGHT.
What parts can replace G42-7?
There are 3 known substitutes for G42-7: A3-33, 723, AAS-A4-20. Substitute compatibility should be verified for your specific system.
What is the NSN for G42-7?
G42-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-412-9975. 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