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PartsTable / COMPONENT / MS51960-70
MS51960-70 ✓ 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: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 1.250 INCHES MAXIMUM IN, screw_material: STEEL COMP 304, fastener_length: 1.250 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-071-1327, 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
MS51960-70
NSN: 5305-00-071-1327
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.359 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length1.250 INCHES MAXIMUM IN
screw_materialSTEEL COMP 304
fastener_length1.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
NSN5305-00-071-1327
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51960-70 · 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
•
FASTENER LENGTH: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD QUANTITY PER INCH: 32
•
SCREW SURFACE TREATMENT: PASSIVATE
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.250 INCHES NOMINAL IN
THREAD LENGTH1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
THREAD QUANTITY PER INCH32
SCREW SURFACE TREATMENTPASSIVATE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
THREAD SERIES DESIGNATORUNF
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
22292Interchangeable
interchangeable cross-reference
interchangeable
14254BInterchangeable
interchangeable cross-reference
interchangeable
245450Interchangeable
interchangeable cross-reference
interchangeable
245450PC1Interchangeable
interchangeable cross-reference
interchangeable
MS51960-70Interchangeable
interchangeable cross-reference
interchangeable
F3HZ8620-DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51960-70?
MS51960-70 is a SCREW,MACHINE.
What parts can replace MS51960-70?
There are 12 known substitutes for MS51960-70: 22292, 14254B, 245450 and 9 more. Substitute compatibility should be verified for your specific system.
Is MS51960-70 still available?
MS51960-70 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