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99840-1-090 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

99840-1-090: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.343 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: CROSS RECESS, grip_length: 0.230 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, turnlock_stud_head_style: FLAT COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-282-1925, 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
99840-1-090
NSN: 5325-00-282-1925
FSC: 5325 — Fastening Devices
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)
SPECIFICATIONS
diameter0.343 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeCROSS RECESS
grip_length0.230 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFLAT COUNTERSUNK
stud_shank_major_diameter0.171 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.081 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
NSN5325-00-282-1925
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 99840-1-090 · 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
•
DRIVE TYPE: CROSS RECESS
•
MATERIAL ACCOMMODATED THICKNESS: 0.081 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.343 INCHES NOMINAL IN
•
TURNLOCK STUD HEAD STYLE: FLAT COUNTERSUNK
•
STUD SHANK MAJOR DIAMETER: 0.171 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
DRIVE TYPECROSS RECESS
MATERIAL ACCOMMODATED THICKNESS0.081 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.343 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
STUD SHANK MAJOR DIAMETER0.171 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
GRIP LENGTH0.230 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
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 99840-1-090?
99840-1-090 is a STUD,TURNLOCK FASTENER.
What is the NSN for 99840-1-090?
99840-1-090 is cataloged in the U.S. Government catalog under NSN 5325-00-282-1925. This indicates validated use in U.S. government and defense supply chains.
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