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B4003275-2 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B4003275-2: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 305, head_length: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN, thread_length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.288 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-138-6464, 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
B4003275-2
NSN: 5307-00-138-6464
FSC: 5307 — Studs
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 305
head_length0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
thread_class2A NUT THREAD A
head_diameter0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
thread_length0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT THREAD IN
overall_length0.288 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.086 INCHES NUT THREAD IN
distance_across_flats0.188 INCHES NOMINAL IN
NSN5307-00-138-6464
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B4003275-2 · 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-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.086 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.288 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.086 INCHES NUT THREAD IN
HEAD LENGTH0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
LOCKING FEATURESELF-CLINCHING HEAD
SURFACE TREATMENTPASSIVATE OVERALL
SUBSTITUTES & CROSS-REFERENCES 6
32S(.062)ST8Reference document
Same NSN cross-reference
Reference document — Secondary reference
107329-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
132544A003Reference document
Same NSN cross-reference
Reference document — Secondary reference
NCS-2-2-8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2624918Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
988166-102Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B4003275-2?
B4003275-2 is a STUD,SELF-LOCKING.
What parts can replace B4003275-2?
There are 6 known substitutes for B4003275-2: 32S(.062)ST8, 107329-2, 132544A003 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B4003275-2?
B4003275-2 is cataloged in the U.S. Government catalog under NSN 5307-00-138-6464. 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.