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CHA-632-4 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CHA-632-4: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, thread_class: 2A NUT THREAD A, overall_length: 0.250 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES NUT THREAD IN, thread_quantity_per_inch: 32 NUT THREAD, thread_series_designator: UNIFIED NATIONAL COARSE (UNC) NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-108-3842, 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
CHA-632-4
NSN: 5307-01-108-3842
FSC: 5307 — Studs
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
thread_class2A NUT THREAD A
overall_length0.250 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES NUT THREAD IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
material_document_and_classificationQQ-A-200/3 T4 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-01-108-3842
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CHA-632-4 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 T4 FED SPEC SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD SIZE: 0.138 INCHES NUT THREAD IN
•
THREAD CLASS: 2A NUT THREAD A
•
THREAD QUANTITY PER INCH: 32 NUT THREAD
•
MATERIAL: ALUMINUM ALLOY 2024
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) NUT THREAD
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 T4 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.138 INCHES NUT THREAD IN
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH32 NUT THREAD
MATERIALALUMINUM ALLOY 2024
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CHA-632-4?
CHA-632-4 is a STUD,SELF-LOCKING.
What is the NSN for CHA-632-4?
CHA-632-4 is cataloged in the U.S. Government catalog under NSN 5307-01-108-3842. 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.