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21008976-101 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21008976-101: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 305, head_length: 0.070 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.188 INCHES NOMINAL IN, thread_length: 0.211 INCHES NOMINAL NUT THREAD IN, overall_length: 0.281 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-237-6087, 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
21008976-101
NSN: 5307-00-237-6087
FSC: 5307 — Studs
CAGE: 81395 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 305
head_length0.070 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.188 INCHES NOMINAL IN
thread_length0.211 INCHES NOMINAL NUT THREAD IN
overall_length0.281 INCHES NOMINAL IN
locking_featureGRIPPING PRONGS
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.112 INCHES NUT THREAD IN
thread_quantity_per_inch40 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-00-237-6087
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21008976-101 · 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: 0.211 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.112 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.070 INCHES NOMINAL IN
•
LOCKING FEATURE: GRIPPING PRONGS
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.211 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.281 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD IN
HEAD LENGTH0.070 INCHES NOMINAL IN
LOCKING FEATUREGRIPPING PRONGS
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH40 NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 1
216702-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 21008976-101?
21008976-101 is a STUD,SELF-LOCKING.
What parts can replace 21008976-101?
There is 1 known substitute for 21008976-101: 216702-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 21008976-101?
21008976-101 is cataloged in the U.S. Government catalog under NSN 5307-00-237-6087. 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.