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BACS21AP200R — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACS21AP200R: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL COMP 1008 OVERALL, drive_type: SLOTTED, grip_length: 0.345 INCHES NOMINAL IN, shank_neck_length: 0.227 INCHES NOMINAL IN, surface_treatment: CHROMATE AND ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-342-9329, 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
BACS21AP200R
NSN: 5325-00-342-9329
FSC: 5325 — Fastening Devices
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL COMP 1008 OVERALL
drive_typeSLOTTED
grip_length0.345 INCHES NOMINAL IN
shank_neck_length0.227 INCHES NOMINAL IN
surface_treatmentCHROMATE AND ZINC OVERALL
securing_device_typeRING
turnlock_stud_head_styleFILLISTER
stud_shank_major_diameter0.250 INCHES NOMINAL IN
turnlock_stud_shank_styleSTUD SHANK
material_accommodated_thickness0.190 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
material_document_and_classificationASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-00-342-9329
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACS21AP200R · 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 DOCUMENT AND CLASSIFICATION: MIL-C-87115 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DRIVE TYPE: SLOTTED
•
MATERIAL ACCOMMODATED THICKNESS: 0.190 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.227 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-87115 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DRIVE TYPESLOTTED
MATERIAL ACCOMMODATED THICKNESS0.190 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A569 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.375 INCHES NOMINAL IN
SHANK NECK LENGTH0.227 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEFILLISTER
STUD SHANK MAJOR DIAMETER0.250 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 5
512790-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MP492-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FD-T0003-007Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
2-0-200Reference document
Same NSN cross-reference
Reference document — Secondary reference
600117P9Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACS21AP200R?
BACS21AP200R is a STUD,TURNLOCK FASTENER.
What parts can replace BACS21AP200R?
There are 5 known substitutes for BACS21AP200R: 512790-5, MP492-5, FD-T0003-007 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BACS21AP200R?
BACS21AP200R is cataloged in the U.S. Government catalog under NSN 5325-00-342-9329. 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.