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Technical Data Sheet
PartsTable / COMPONENT / FAS11-50
FAS11-50 ✓ 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 diameter: 0.563 INCHES NOMINAL IN, material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.300 INCHES NOMINAL IN, shank_neck_length: 0.100 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-2172, 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
FAS11-50
NSN: 5325-00-281-2172
FSC: 5325
CAGE: 14170 — HUGHES MISSILE SYSTEMS CO SAN DIEGO (USA)
SPECIFICATIONS
diameter0.563 INCHES NOMINAL IN
materialSTEEL OVERALL
drive_typeSLOTTED
grip_length0.300 INCHES NOMINAL IN
shank_neck_length0.100 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.313 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.122 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
NSN5325-00-281-2172
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FAS11-50 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
GRIP LENGTH: 0.300 INCHES NOMINAL IN
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.122 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
•
TURNLOCK STUD HEAD STYLE: FILLISTER
•
MATERIAL: STEEL OVERALL
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
DIAMETER: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
GRIP LENGTH0.300 INCHES NOMINAL IN
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.122 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
TURNLOCK STUD HEAD STYLEFILLISTER
MATERIALSTEEL OVERALL
TURNLOCK STUD SHANK STYLESTUD SHANK
DIAMETER0.563 INCHES NOMINAL IN
STUD SHANK MAJOR DIAMETER0.313 INCHES NOMINAL IN
SHANK NECK LENGTH0.100 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
276-1541P2Interchangeable
interchangeable cross-reference
interchangeable
702020-020Interchangeable
interchangeable cross-reference
interchangeable
UA1076ALT1Interchangeable
interchangeable cross-reference
interchangeable
A-10034Interchangeable
interchangeable cross-reference
interchangeable
A530Interchangeable
interchangeable cross-reference
interchangeable
S1730Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FAS11-50?
FAS11-50 is a STUD,TURNLOCK FASTENER.
What parts can replace FAS11-50?
There are 22 known substitutes for FAS11-50: 276-1541P2, 702020-020, UA1076ALT1 and 19 more. Substitute compatibility should be verified for your specific system.
Is FAS11-50 still available?
FAS11-50 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