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Technical Data Sheet
PartsTable / COMPONENT / MS51958-80
MS51958-80 ✓ 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, special_features: SCREW MACHINE - PAN HEAD, PHILLIPS, 250-28 UNF-2A, 625 LG A, thread_direction: RIGHT-HAND, thread_series_designator: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-059-3676, 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
MS51958-80
NSN: 5305-00-059-3676
FSC: 5305
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
head_stylePAN
special_featuresSCREW MACHINE - PAN HEAD, PHILLIPS, 250-28 UNF-2A, 625 LG A
thread_directionRIGHT-HAND
thread_series_designatorUNF
NSN5305-00-059-3676
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS51958-80 · 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 CLASS: 2A A
•
HEAD HEIGHT: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 9C STYLE
•
THREAD QUANTITY PER INCH: 28
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 9C STYLE
THREAD QUANTITY PER INCH28
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
THREAD SERIES DESIGNATORUNF
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
SCREW SURFACE TREATMENTPASSIVATE
NOMINAL THREAD DIAMETER0.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
PL22-38963-FIND/ITEM NO-111Interchangeable
interchangeable cross-reference
interchangeable
MS35233-80Interchangeable
interchangeable cross-reference
interchangeable
N153P21010Interchangeable
interchangeable cross-reference
interchangeable
MS51957-80Interchangeable
interchangeable cross-reference
interchangeable
MS51958-80Interchangeable
interchangeable cross-reference
interchangeable
SSN688-128-4398Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51958-80?
MS51958-80 is a SCREW,MACHINE.
What parts can replace MS51958-80?
There are 11 known substitutes for MS51958-80: PL22-38963-FIND/ITEM NO-111, MS35233-80, N153P21010 and 8 more. Substitute compatibility should be verified for your specific system.
Is MS51958-80 still available?
MS51958-80 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