PartsTable
Technical Data Sheet
MS51957-115 ✓ 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. Key specifications include head_style: PAN, head_height: 0.244 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN, thread_length: 1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-051-0856, 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
MS51957-115
NSN: 5305-00-051-0856
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
head_stylePAN
head_height0.244 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
thread_length1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
fastener_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.375 INCHES IN
screw_surface_treatmentPASSIVATE
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
NSN5305-00-051-0856
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51957-115 · 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
HEAD DIAMETER: 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
THREAD LENGTH: 1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT: PASSIVATE
HEAD STYLE: PAN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD LENGTH1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
HEAD STYLEPAN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MS35233-15Interchangeable
interchangeable cross-reference
interchangeable
5120004-06Interchangeable
interchangeable cross-reference
interchangeable
674723-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy MS51957-115?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS51957-115?
MS51957-115 is a SCREW,MACHINE.
What parts can replace MS51957-115?
There are 3 known substitutes for MS51957-115: MS35233-15, 5120004-06, 674723-15. Substitute compatibility should be verified for your specific system.
Is MS51957-115 still available?
MS51957-115 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS51957-115