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Technical Data Sheet
PartsTable / COMPONENT / MS51657-30
MS51657-30 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-054-6654, 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
MS51657-30
NSN: 5305-00-054-6654
FSC: 5305
CAGE: T2251 — ASELSAN MGEO SEKTOR BASKANLIGI (AKYURT TESISI SUBESI) (TUR)
SPECIFICATIONS
Part NumberMS51657-30
NSN5305-00-054-6654
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51657-30 · 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 24
203-21207-47Interchangeable
interchangeable cross-reference
interchangeable
10204811Interchangeable
interchangeable cross-reference
interchangeable
23046Interchangeable
interchangeable cross-reference
interchangeable
A38HYTInterchangeable
interchangeable cross-reference
interchangeable
A38Interchangeable
interchangeable cross-reference
interchangeable
6C605Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51657-30?
MS51657-30 is a SCREW,MACHINE.
What parts can replace MS51657-30?
There are 24 known substitutes for MS51657-30: 203-21207-47, 10204811, 23046 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS51657-30 still available?
MS51657-30 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