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G42-1 — Technical Data Sheet

✓ 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

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include diameter: 0.875 INCHES IN, material: STEEL, head_style: FLAT CHAMFER, ring_style: INTERNAL, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-056-8265, 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
G42-1
NSN: 5305-00-056-8265
FSC: 5305
CAGE: 00378 — RIVER STEEL INC (USA)
SPECIFICATIONS
diameter0.875 INCHES IN
materialSTEEL
head_styleFLAT CHAMFER
ring_styleINTERNAL
head_height0.125 INCHES NOMINAL IN
thread_class2A A
usage_designINTERNAL
bore_diameter0.3750 INCHES NOMINAL IN
head_diameter0.250 INCHES NOMINAL IN
physical_formSTICK
thread_length0.156 INCHES MINIMUM IN
overall_length2.750 INCHES NOMINAL IN
NSN5305-00-056-8265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G42-1 · 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
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD LENGTH: 0.156 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 40
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.281 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.250 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD LENGTH0.156 INCHES MINIMUM IN
THREAD QUANTITY PER INCH40
THREAD CLASS2A A
FASTENER LENGTH0.281 INCHES NOMINAL IN
HEAD DIAMETER0.250 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
LUBRICANT24InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
G-7421InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
01845-1644InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BA1191PC7InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N5002-156InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS16631-156InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G42-1?
G42-1 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace G42-1?
There are 13 known substitutes for G42-1: LUBRICANT24, G-7421, 01845-1644 and 10 more. Substitute compatibility should be verified for your specific system.
Is G42-1 still available?
G42-1 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: September 2026