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Technical Data Sheet
PartsTable / COMPONENT / MS51960-65
MS51960-65 ✓ 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 part_name_assigned_by_controlling_agency: SCREW, MACHINE, AIRCRAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-071-1322, 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
MS51960-65
NSN: 5305-00-071-1322
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySCREW, MACHINE, AIRCRAFT
NSN5305-00-071-1322
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51960-65 · 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 LENGTH: 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
SCREW SURFACE TREATMENT: PASSIVATE
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
THREAD QUANTITY PER INCH: 32
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
HEAD STYLEFLAT COUNTERSUNK
SCREW SURFACE TREATMENTPASSIVATE
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
SCREW MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
THREAD QUANTITY PER INCH32
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
END ITEM IDENTIFICATIONMRAP - COUGAR TOW; MRAP - COUGAR CAT2 A2; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; MEDIUM MINE PROTECTED VEHICLE - MMPV; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
8599260-296Interchangeable
interchangeable cross-reference
interchangeable
43S78820-9040Interchangeable
interchangeable cross-reference
interchangeable
MS35250-72Interchangeable
interchangeable cross-reference
interchangeable
22286Interchangeable
interchangeable cross-reference
interchangeable
245456Interchangeable
interchangeable cross-reference
interchangeable
RS5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51960-65?
MS51960-65 is a SCREW,MACHINE.
What parts can replace MS51960-65?
There are 27 known substitutes for MS51960-65: 8599260-296, 43S78820-9040, MS35250-72 and 24 more. Substitute compatibility should be verified for your specific system.
Is MS51960-65 still available?
MS51960-65 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