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SYSTEM II REF 38 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SYSTEM II REF 38: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include special_features: 0.5 IN. WIDTH BETWEEN FLATS IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.250 INCHES IN, thread_quantity_per_inch: 28.

This part is cataloged in the U.S. Government catalog under NSN 5306-01-448-1751, 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
SYSTEM II REF 38
NSN: 5306-01-448-1751
FSC: 5306 — Bolts
CAGE: 8Z618 — THE JEROME GROUP INC DBA JEROME MEDICAL (USA)
SPECIFICATIONS
special_features0.5 IN. WIDTH BETWEEN FLATS IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
NSN5306-01-448-1751
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SYSTEM II REF 38 · 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
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURES0.5 IN. WIDTH BETWEEN FLATS IN
THREAD QUANTITY PER INCH28
SUBSTITUTES & CROSS-REFERENCES 1
GS-550-380-KSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SYSTEM II REF 38?
SYSTEM II REF 38 is a BOLT,MACHINE.
What parts can replace SYSTEM II REF 38?
There is 1 known substitute for SYSTEM II REF 38: GS-550-380-K. Substitute compatibility should be verified for your specific system.
What is the NSN for SYSTEM II REF 38?
SYSTEM II REF 38 is cataloged in the U.S. Government catalog under NSN 5306-01-448-1751. This indicates validated use in U.S. government and defense supply chains.
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