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Technical Data Sheet
PartsTable / COMPONENT / 40270R1
40270R1 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-557-0958, 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
40270R1
NSN: 5306-01-557-0958
FSC: 5306
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
Part Number40270R1
NSN5306-01-557-0958
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40270R1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10EJRA30Interchangeable
interchangeable cross-reference
interchangeable
26664Interchangeable
interchangeable cross-reference
interchangeable
4786323Interchangeable
interchangeable cross-reference
interchangeable
10108553Interchangeable
interchangeable cross-reference
interchangeable
40720Interchangeable
interchangeable cross-reference
interchangeable
9900-05-BKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40270R1?
40270R1 is a BOLT,MACHINE.
What parts can replace 40270R1?
There are 10 known substitutes for 40270R1: 10EJRA30, 26664, 4786323 and 7 more. Substitute compatibility should be verified for your specific system.
Is 40270R1 still available?
40270R1 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: July 2026