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Technical Data Sheet
PartsTable / COMPONENT / MS35455-138
MS35455-138 ✓ 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,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, thread_length: 2.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-272-7172, 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
MS35455-138
NSN: 5305-00-272-7172
FSC: 5305
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_class3A A
head_diameter1.107 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
thread_length2.250 INCHES MINIMUM IN
surface_finish125.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.250 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-272-7172
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS35455-138 · 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
•
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
•
WIDTH ACROSS FLATS: 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
•
MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS
•
SURFACE FINISH: 125.0 MICROINCHES BEARING SURFACE OF HEAD
•
MINIMUM YIELD STRENGTH: 130000 POUNDS PER SQUARE INCH LBS
•
THREAD LENGTH: 2.250 INCHES MINIMUM IN
•
THREAD CLASS: 3A A
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA6 TYPE
WIDTH ACROSS FLATS0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH LBS
SURFACE FINISH125.0 MICROINCHES BEARING SURFACE OF HEAD
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH LBS
THREAD LENGTH2.250 INCHES MINIMUM IN
THREAD CLASS3A A
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
11099Interchangeable
interchangeable cross-reference
interchangeable
13839Interchangeable
interchangeable cross-reference
interchangeable
CA11635PC10Interchangeable
interchangeable cross-reference
interchangeable
13839-1TInterchangeable
interchangeable cross-reference
interchangeable
4-210-M20 ITEM 5 4 INInterchangeable
interchangeable cross-reference
interchangeable
4-210-M20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35455-138?
MS35455-138 is a SCREW,CAP,SOCKET HEAD.
What parts can replace MS35455-138?
There are 7 known substitutes for MS35455-138: 11099, 13839, CA11635PC10 and 4 more. Substitute compatibility should be verified for your specific system.
Is MS35455-138 still available?
MS35455-138 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