PartsTable
Technical Data Sheet

J503/8 — PUNCH,STARTER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

J503/8: PUNCH,STARTER.

The PUNCH,STARTER is a the manufacturer industrial component. Key specifications include material: STEEL, point_size: 0.188 INCHES IN, shank_shape: HEXAGON, overall_length: 5.625 INCHES NOMINAL IN, shank_width_across_flats: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-644-0367, 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
J503/8
NSN: 5120-01-644-0367
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 1CV05 — THE STANLEY WORKS DBA STANLEY PROTO (USA)
SPECIFICATIONS
materialSTEEL
point_size0.188 INCHES IN
shank_shapeHEXAGON
overall_length5.625 INCHES NOMINAL IN
shank_width_across_flats0.375 INCHES NOMINAL IN
NSN5120-01-644-0367
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUNCH,STARTER TITLE COMPONENT PN J503/8 MFR PUNCH,STARTER
KEY FEATURES
•
SHANK WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
SHANK SHAPE: HEXAGON
•
POINT SIZE: 0.188 INCHES IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SHANK WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
OVERALL LENGTH5.625 INCHES NOMINAL IN
SHANK SHAPEHEXAGON
POINT SIZE0.188 INCHES IN
MATERIALSTEEL
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is J503/8?
J503/8 is a PUNCH,STARTER.
What is the NSN for J503/8?
J503/8 is cataloged in the U.S. Government catalog under NSN 5120-01-644-0367. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.