PartsTable
Technical Data Sheet
Download PDF

BACS21AG4F13 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACS21AG4F13: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: PLASTIC, head_length: 0.450 INCHES NOMINAL IN, thread_class: 3A NUT THREAD A, head_diameter: 0.230 INCHES NOMINAL IN, thread_length: 0.500 INCHES NOMINAL NUT THREAD IN, overall_length: 1.590 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-046-0236, 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
BACS21AG4F13
NSN: 5307-01-046-0236
FSC: 5307 — Studs
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC
head_length0.450 INCHES NOMINAL IN
thread_class3A NUT THREAD A
head_diameter0.230 INCHES NOMINAL IN
thread_length0.500 INCHES NOMINAL NUT THREAD IN
overall_length1.590 INCHES NOMINAL IN
locking_featureKNURLED SHANK
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.138 INCHES NUT THREAD IN
distance_across_flats0.310 INCHES NOMINAL IN
thread_quantity_per_inch32 NUT THREAD
NSN5307-01-046-0236
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACS21AG4F13 · 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
•
THREAD LENGTH: 0.500 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.450 INCHES NOMINAL IN
•
LOCKING FEATURE: KNURLED SHANK
•
THREAD CLASS: 3A NUT THREAD A
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.500 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH1.590 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
HEAD LENGTH0.450 INCHES NOMINAL IN
LOCKING FEATUREKNURLED SHANK
THREAD CLASS3A NUT THREAD A
THREAD QUANTITY PER INCH32 NUT THREAD
MATERIALPLASTIC
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES 1
0P435Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy BACS21AG4F13?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BACS21AG4F13?
BACS21AG4F13 is a STUD,SELF-LOCKING.
What parts can replace BACS21AG4F13?
There is 1 known substitute for BACS21AG4F13: 0P435. Substitute compatibility should be verified for your specific system.
What is the NSN for BACS21AG4F13?
BACS21AG4F13 is cataloged in the U.S. Government catalog under NSN 5307-01-046-0236. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BACS21AG4F13

✓ 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.