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PartsTable / COMPONENT / SS253S41-0641PC22
SS253S41-0641PC22 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 485 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FULL DOG, thread_class: 3A A, thread_length: 0.750 INCHES MINIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-257-4264, 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
SS253S41-0641PC22
NSN: 5305-00-257-4264
FSC: 5305
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 485 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFULL DOG
thread_class3A A
thread_length0.750 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-00-257-4264
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS253S41-0641PC22 · 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
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: COPPER ALLOY 485 OVERALL
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 5 STYLE
•
POINT STYLE: FULL DOG
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
MATERIALCOPPER ALLOY 485 OVERALL
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
HEAD STYLEHEADLESS (SETSCREW)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 5 STYLE
POINT STYLEFULL DOG
THREAD CLASS3A A
THREAD LENGTH0.750 INCHES MINIMUM IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
22X203-1-4Interchangeable
interchangeable cross-reference
interchangeable
139703Interchangeable
interchangeable cross-reference
interchangeable
139705Interchangeable
interchangeable cross-reference
interchangeable
87526Interchangeable
interchangeable cross-reference
interchangeable
139727Interchangeable
interchangeable cross-reference
interchangeable
FFS103TYPE3STYLE5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS253S41-0641PC22?
SS253S41-0641PC22 is a SETSCREW.
What parts can replace SS253S41-0641PC22?
There are 20 known substitutes for SS253S41-0641PC22: 22X203-1-4, 139703, 139705 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS253S41-0641PC22?
SS253S41-0641PC22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-257-4264. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026