PartsTable
Technical Data Sheet
FFS103 ✓ 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: STEEL COMP 303 OVERALL, head_style: HEADLESS (SETSCREW), head_height: 0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN, point_style: CUP, spline_width: 0.015 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-011-4489, 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
FFS103
NSN: 5305-00-011-4489
FSC: 5305
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleHEADLESS (SETSCREW)
head_height0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
point_styleCUP
spline_width0.015 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
thread_class2A A
thread_length0.250 INCHES NOMINAL IN
fastener_length0.250 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
special_featuresSOCKET DRIVE,0.0500 IN. MIN,0.0510 IN. MAX W BETWEEN FLATS; 3/16 IN. 1.010 LG IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
NSN5305-00-011-4489
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS103 · 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: W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 3 STYLE
THREAD QUANTITY PER INCH: 16
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
FEATURES PROVIDED: CASEHARDENED
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 STYLE
THREAD QUANTITY PER INCH16
MATERIALSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
FEATURES PROVIDEDCASEHARDENED
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AE145-2Interchangeable
interchangeable cross-reference
interchangeable
656-2Interchangeable
interchangeable cross-reference
interchangeable
148-14594-2Interchangeable
interchangeable cross-reference
interchangeable
2651Interchangeable
interchangeable cross-reference
interchangeable
2064567-G1Interchangeable
interchangeable cross-reference
interchangeable
UCS25-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFS103?
FFS103 is a SETSCREW.
What parts can replace FFS103?
There are 22 known substitutes for FFS103: AE145-2, 656-2, 148-14594-2 and 19 more. Substitute compatibility should be verified for your specific system.
Is FFS103 still available?
FFS103 is currently cancelled.
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