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SYSTEM II REF 40 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SYSTEM II REF 40: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include special_features: 1.0 IN. LG; 1.25 IN.

WIDTH BETWEEN FLATS IN, thread_direction: RIGHT-HAND, thread_quantity_per_inch: 28. This part is cataloged in the U.S. Government catalog under NSN 5306-01-448-1750, 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 40
NSN: 5306-01-448-1750
FSC: 5306 — Bolts
CAGE: 8Z618 — THE JEROME GROUP INC DBA JEROME MEDICAL (USA)
SPECIFICATIONS
special_features1.0 IN. LG; 1.25 IN. WIDTH BETWEEN FLATS IN
thread_directionRIGHT-HAND
thread_quantity_per_inch28
NSN5306-01-448-1750
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SYSTEM II REF 40 · 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 DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURES1.0 IN. LG; 1.25 IN. WIDTH BETWEEN FLATS IN
THREAD QUANTITY PER INCH28
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
GS-550-400-MSame 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 40?
SYSTEM II REF 40 is a BOLT,MACHINE.
What parts can replace SYSTEM II REF 40?
There is 1 known substitute for SYSTEM II REF 40: GS-550-400-M. Substitute compatibility should be verified for your specific system.
What is the NSN for SYSTEM II REF 40?
SYSTEM II REF 40 is cataloged in the U.S. Government catalog under NSN 5306-01-448-1750. This indicates validated use in U.S. government and defense supply chains.
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