PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 85-11-280-16
85-11-280-16 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include grip_length: 0.540 INCHES NOMINAL IN, shank_neck_length: 0.385 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, material_accommodated_thickness: 0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-286-5545, 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
85-11-280-16
NSN: 5325-00-286-5545
FSC: 5325
CAGE: 94222 — SOUTHCO INC (USA)
SPECIFICATIONS
grip_length0.540 INCHES NOMINAL IN
shank_neck_length0.385 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
material_accommodated_thickness0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
NSN5325-00-286-5545
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 85-11-280-16 · 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
•
SHANK NECK LENGTH: 0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
MATERIAL ACCOMMODATED THICKNESS: 0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
•
GRIP LENGTH: 0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
STUD SHANK MAJOR DIAMETER: 0.290 INCHES NOMINAL IN
•
DIAMETER: 0.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHANK NECK LENGTH0.385 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
MATERIAL ACCOMMODATED THICKNESS0.270 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
GRIP LENGTH0.535 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
STUD SHANK MAJOR DIAMETER0.290 INCHES NOMINAL IN
DIAMETER0.562 INCHES NOMINAL IN
DRIVE TYPESLOTTED
TURNLOCK STUD HEAD STYLEFILLISTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
511008Interchangeable
interchangeable cross-reference
interchangeable
A50280Interchangeable
interchangeable cross-reference
interchangeable
N50280Interchangeable
interchangeable cross-reference
interchangeable
50280Interchangeable
interchangeable cross-reference
interchangeable
8549657-10Interchangeable
interchangeable cross-reference
interchangeable
85-11-280-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 85-11-280-16?
85-11-280-16 is a STUD,TURNLOCK FASTENER.
What parts can replace 85-11-280-16?
There are 13 known substitutes for 85-11-280-16: 511008, A50280, N50280 and 10 more. Substitute compatibility should be verified for your specific system.
Is 85-11-280-16 still available?
85-11-280-16 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026