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JSFB04 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

JSFB04: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: DISHED HEXAGON, head_height: 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.500 INCHES NOMINAL IN, screw_material: TITANIUM ALLOY, fastener_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-626-5624, 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
JSFB04
NSN: 5305-01-626-5624
NIINs: 016265624, 016265664, 016265678, 016265681, 016265688, 016265712, 016265925, 016265928, 016265930, 016265931, 016265934, 016265954, 016265999, 016266010, 016266026, 016659964
FSC: 5305 — Screws
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
head_styleDISHED HEXAGON
head_height0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class3A A
thread_length0.500 INCHES NOMINAL IN
screw_materialTITANIUM ALLOY
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
internal_drive_styleTORX
spline_major_diameter0.107 INCHES NOMINAL IN
end_item_identificationF-35
nominal_thread_diameter0.138 INCHES IN
NSN5305-01-626-5624
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: JSFB04 · 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: 0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
SPLINE MAJOR DIAMETER: 0.107 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: DISHED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.080 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.250 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.107 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEDISHED HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
SCREW MATERIALTITANIUM ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JSFB04?
JSFB04 is a SCREW,MACHINE.
What is the NSN for JSFB04?
JSFB04 is cataloged in the U.S. Government catalog under NSN 5305-01-626-5624. This indicates validated use in U.S. government and defense supply chains.
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