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FFS103TYPE3STYLE4 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FFS103TYPE3STYLE4: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 410 OR STEEL COMP 416 OVERALL, head_style: HEADLESS (SETSCREW), point_style: CUP, thread_class: 3A A, thread_length: 0.125 INCHES MAXIMUM IN, fastener_length: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-010-2594, 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
FFS103TYPE3STYLE4
NSN: 5305-00-010-2594
NIINs: 000102594, 000102595, 000102597, 000102598, 000102616, 000102617, 000102619, 000115321, 000125735, 000125843, 000138999, 000139009, 000139011, 000139012, 000139016, 000139041, 000139042, 000139052, 000139064, 000139095, 000139135, 000139193, 000139194, 000139196, 000139230, 000140861, 000140869, 000140872, 000140879, 000140880, 000142744, 000147459, 000173674, 000173677, 000191946, 000192208, 000217217, 000426374, 000429185, 000431950, 000571340, 000571341, 000571346, 000571347, 000571349, 000571356, 000571357, 000571358, 000571359, 000571361, 000571367, 000571369, 000571372, 000583232, 002061975, 002062112, 002062113, 002062285, 002064675, 002065024, 002069475, 002080157, 002533643, 002534762, 002687166, 002687191, 002723531, 002723545, 002723687, 002740109, 002853218, 002854609, 002854628, 002854631, 002854657, 002862314, 002862316, 002974005, 003334249, 003757417, 005148295, 005158472, 005510156, 005765488, 005790091, 005794577, 005872695, 006381809, 006386825, 006388703, 006388757, 006557628, 006602401, 006825971, 006825972, 006825973, 007213245, 007217510, 007239386, 007534344, 008406884, 008413998, 009902196
FSC: 5305 — Screws
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 410 OR STEEL COMP 416 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleCUP
thread_class3A A
thread_length0.125 INCHES MAXIMUM IN
fastener_length0.125 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
end_item_identificationMRAP BUFFALO MK2A2
NSN5305-00-010-2594
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS103TYPE3STYLE4 · 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
•
WIDTH ACROSS FLATS: 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.625 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: OVAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.625 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD DIRECTIONRIGHT-HAND
POINT STYLEOVAL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3 STYLE
INTERNAL DRIVE STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 6
102594Reference document
Same NSN cross-reference
Reference document — Secondary reference
R1-980Reference document
Same NSN cross-reference
Reference document — Secondary reference
S865Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB26259Reference document
Same NSN cross-reference
Reference document — Secondary reference
87532Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV60317Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFS103TYPE3STYLE4?
FFS103TYPE3STYLE4 is a SETSCREW.
What parts can replace FFS103TYPE3STYLE4?
There are 6 known substitutes for FFS103TYPE3STYLE4: 102594, R1-980, S865 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS103TYPE3STYLE4?
FFS103TYPE3STYLE4 is cataloged in the U.S. Government catalog under NSN 5305-00-010-2594. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.