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Technical Data Sheet
PartsTable / COMPONENT / MS35231-5
MS35231-5 ✓ 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: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_length: 0.339 INCHES MINIMUM IN, screw_material: COPPER ALLOY 268. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-812-3549, 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
MS35231-5
NSN: 5305-00-812-3549
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
head_stylePAN
head_height0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_length0.339 INCHES MINIMUM IN
screw_materialCOPPER ALLOY 268
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.086 INCHES IN
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch56
NSN5305-00-812-3549
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35231-5 · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD HEIGHT: 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.339 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: PAN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
THREAD LENGTH0.339 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEPAN
FASTENER LENGTH0.375 INCHES NOMINAL IN
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
HR21823Interchangeable
interchangeable cross-reference
interchangeable
187026Interchangeable
interchangeable cross-reference
interchangeable
B-3099-013Interchangeable
interchangeable cross-reference
interchangeable
15194Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33Interchangeable
interchangeable cross-reference
interchangeable
GGG-H-33 TY1CL3STDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35231-5?
MS35231-5 is a SCREW,MACHINE.
What parts can replace MS35231-5?
There are 23 known substitutes for MS35231-5: HR21823, 187026, B-3099-013 and 20 more. Substitute compatibility should be verified for your specific system.
Is MS35231-5 still available?
MS35231-5 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