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FFS103TYPE1STYLE4 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FFS103TYPE1STYLE4: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include head_style: SQUARE, head_height: 0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN, point_style: CUP, thread_class: 2A A, thread_length: 4.500 INCHES MAXIMUM IN, fastener_length: 4.406 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-010-2881, 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
FFS103TYPE1STYLE4
NSN: 5305-00-010-2881
NIINs: 000102881, 000105112, 000549267, 002486046, 002637054, 002823505
FSC: 5305 — Screws
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
head_styleSQUARE
head_height0.361 INCHES MINIMUM AND 0.389 INCHES MAXIMUM IN
point_styleCUP
thread_class2A A
thread_length4.500 INCHES MAXIMUM IN
fastener_length4.406 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-00-010-2881
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FFS103TYPE1STYLE4 · 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
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: SQUARE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.234 INCHES NOMINAL IN
FASTENER LENGTH0.500 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
POINT STYLECUP
SUBSTITUTES & CROSS-REFERENCES 2
102881Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB9718Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFS103TYPE1STYLE4?
FFS103TYPE1STYLE4 is a SETSCREW.
What parts can replace FFS103TYPE1STYLE4?
There are 2 known substitutes for FFS103TYPE1STYLE4: 102881, BB9718. Substitute compatibility should be verified for your specific system.
What is the NSN for FFS103TYPE1STYLE4?
FFS103TYPE1STYLE4 is cataloged in the U.S. Government catalog under NSN 5305-00-010-2881. This indicates validated use in U.S. government and defense supply chains.
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