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Technical Data Sheet

MS51861-24 — Technical Data Sheet

✓ 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,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, fastener_length: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN, features_provided: CASEHARDENED. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-432-4163, 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
MS51861-24
NSN: 5305-00-432-4163
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
head_diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
fastener_length0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
features_providedCASEHARDENED
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
nondefinitive_spec/std_dataAB TYPE
nonmachine_nominal_thread_diameter0.138 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-00-432-4163
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51861-24 · 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
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
NONDEFINITIVE SPEC/STD DATA: AB TYPE
•
HEAD STYLE: PAN
•
FASTENER LENGTH: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD DIAMETER: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
NONDEFINITIVE SPEC/STD DATAAB TYPE
HEAD STYLEPAN
FASTENER LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD DIAMETER0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
HEAD HEIGHT0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
MS24621-17InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
856980InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12215InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2012-T 15InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
503-S 15InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
200115InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51861-24?
MS51861-24 is a SCREW,TAPPING.
What parts can replace MS51861-24?
There are 24 known substitutes for MS51861-24: MS24621-17, 856980, 12215 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS51861-24 still available?
MS51861-24 is currently cancelled.
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