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4039570-61 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4039570-61: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, head_length: 0.110 INCHES MAXIMUM IN, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, head_diameter: 0.203 INCHES NOMINAL IN, thread_length: 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.322 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-133-7332, 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
4039570-61
NSN: 5307-01-133-7332
FSC: 5307 — Studs
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY
head_length0.110 INCHES MAXIMUM IN
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
head_diameter0.203 INCHES NOMINAL IN
thread_length0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM NUT THREAD IN
overall_length0.322 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
surface_treatmentTIN OVERALL
nominal_thread_size0.138 INCHES NUT THREAD IN
thread_quantity_per_inch32 NUT THREAD
NSN5307-01-133-7332
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4039570-61 · 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-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.110 INCHES MAXIMUM IN
•
LOCKING FEATURE: SELF-CLINCHING HEAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.212 INCHES MINIMUM AND 0.232 INCHES MAXIMUM NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH0.322 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
HEAD LENGTH0.110 INCHES MAXIMUM IN
LOCKING FEATURESELF-CLINCHING HEAD
SURFACE TREATMENTTIN OVERALL
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
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 2
KFH-632-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
KFH-632-5ETSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4039570-61?
4039570-61 is a STUD,SELF-LOCKING.
What parts can replace 4039570-61?
There are 2 known substitutes for 4039570-61: KFH-632-5, KFH-632-5ET. Substitute compatibility should be verified for your specific system.
What is the NSN for 4039570-61?
4039570-61 is cataloged in the U.S. Government catalog under NSN 5307-01-133-7332. 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.