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FF-S-200B TYPE I STYLE 4 — Technical Data Sheet

✓ 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 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, thread_length: 0.250 INCHES MAXIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-043-2393, 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
FF-S-200B TYPE I STYLE 4
NSN: 5305-00-043-2393
FSC: 5305
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
thread_length0.250 INCHES MAXIMUM IN
fastener_length0.250 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND PHOSPHATE OVERALL
width_across_flats0.062 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch40
NSN5305-00-043-2393
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FF-S-200B TYPE I STYLE 4 · 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
•
NOMINAL THREAD DIAMETER: 0.125 INCHES IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: CADMIUM AND PHOSPHATE OVERALL
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER0.125 INCHES IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIALSTEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTCADMIUM AND PHOSPHATE OVERALL
FASTENER LENGTH0.250 INCHES NOMINAL IN
THREAD QUANTITY PER INCH40
HEAD STYLEHEADLESS (SETSCREW)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
FF-S-200BInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FF-S-103InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
FF-S-200InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN565D10H6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
569-4700-1189569PCSP14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
525-4700-87303REV1PCS37InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FF-S-200B TYPE I STYLE 4?
FF-S-200B TYPE I STYLE 4 is a SETSCREW.
What parts can replace FF-S-200B TYPE I STYLE 4?
There are 17 known substitutes for FF-S-200B TYPE I STYLE 4: FF-S-200B, FF-S-103, FF-S-200 and 14 more. Substitute compatibility should be verified for your specific system.
Is FF-S-200B TYPE I STYLE 4 still available?
FF-S-200B TYPE I STYLE 4 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026