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JSFB38 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

JSFB38: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-627-5861, 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
JSFB38
NSN: 5305-01-627-5861
NIINs: 016275861, 016275862, 016275864, 016275867, 016275868, 016275869, 016275888, 016275891, 016275895, 016275896, 016275900, 016275905, 016275910, 016276517, 016276520, 016276543, 016276549, 016276554, 016276559, 016276567, 016276587, 016276598, 016276601, 016276603, 016276605, 016276607, 016276610, 016276612, 016276632, 016276636, 016276640, 016276643, 016276645, 016276648, 016276651, 016276652, 016276653, 016276654, 016276831, 016276834, 016276838, 016276840, 016276842, 016276847, 016276850, 016276853, 016276875, 016276892, 016276897, 016276904, 016276908, 016276914, 016276918, 016276933, 016276946, 016276952, 016276961, 016276964, 016276969, 016276972, 016276975, 016276979, 016276982, 016277220, 016277223, 016277226, 016277230, 016277233, 016277235, 016277236, 016277237, 016277239, 016277246, 016277247, 016277251, 016277254, 016277257, 016277258, 016277260, 016277262, 016277266, 016277269, 016277371, 016277375, 016277379, 016277384, 016277389, 016277391, 016557525, 016557528, 016660028, 016660029, 016660051
FSC: 5305 — Screws
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
Part NumberJSFB38
NSN5305-01-627-5861
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: JSFB38 · 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
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
JSFB38-3-9DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 JSFB38?
JSFB38 is a SCREW,MACHINE.
What parts can replace JSFB38?
There is 1 known substitute for JSFB38: JSFB38-3-9D. Substitute compatibility should be verified for your specific system.
What is the NSN for JSFB38?
JSFB38 is cataloged in the U.S. Government catalog under NSN 5305-01-627-5861. 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.