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TR24543-1 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TR24543-1: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, thread_class: 3A NUT THREAD A, thread_length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN, overall_length: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, locking_feature: KEY INSERTS, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-311-6364, 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
TR24543-1
NSN: 5307-01-311-6364
FSC: 5307 — Studs
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialIRON ALLOY 660
thread_class3A NUT THREAD A
thread_length0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
overall_length0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
locking_featureKEY INSERTS
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.190 INCHES NUT THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
distance_from_end_of_stud_end_threads_to_nut_end0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
NSN5307-01-311-6364
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TR24543-1 · 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: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
DISTANCE FROM END OF STUD END THREADS TO NUT END: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
DISTANCE FROM END OF STUD END THREADS TO NUT END0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.190 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 1
1462M24P11Same 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 TR24543-1?
TR24543-1 is a STUD,LOCKED IN.
What parts can replace TR24543-1?
There is 1 known substitute for TR24543-1: 1462M24P11. Substitute compatibility should be verified for your specific system.
What is the NSN for TR24543-1?
TR24543-1 is cataloged in the U.S. Government catalog under NSN 5307-01-311-6364. 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.