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CA12053-2 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CA12053-2: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A STUD THREAD A, thread_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD IN, overall_length: 2.045 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN, shoulder_length: 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, special_features: SOCKET DRIVE ON NUT END. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-134-6956, 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
CA12053-2
NSN: 5307-01-134-6956
FSC: 5307 — Studs
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A STUD THREAD A
thread_length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD IN
overall_length2.045 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
shoulder_length0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
special_featuresSOCKET DRIVE ON NUT END
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
nut_end_shank_length0.160 INCHES NOMINAL IN
NSN5307-01-134-6956
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CA12053-2 · 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: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NUT END SHANK DIAMETER: 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT END SHANK DIAMETER0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.525 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.045 INCHES MINIMUM AND 2.065 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
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 3
PC91003-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CSA12053-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
CA12053-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 CA12053-2?
CA12053-2 is a STUD,SHOULDERED.
What parts can replace CA12053-2?
There are 3 known substitutes for CA12053-2: PC91003-2, CSA12053-1, CA12053-1. Substitute compatibility should be verified for your specific system.
What is the NSN for CA12053-2?
CA12053-2 is cataloged in the U.S. Government catalog under NSN 5307-01-134-6956. 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.