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TR280004-202-9 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TR280004-202-9: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 420 AND STEEL COMP 4140, thread_class: 3A NUT THREAD B A, thread_length: 0.375 INCHES NOMINAL NUT THREAD A IN, overall_length: 0.750 INCHES NOMINAL IN, locking_feature: RING, LOCK KEYED, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-407-9011, 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
TR280004-202-9
NSN: 5307-01-407-9011
FSC: 5307 — Studs
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 420 AND STEEL COMP 4140
thread_class3A NUT THREAD B A
thread_length0.375 INCHES NOMINAL NUT THREAD A IN
overall_length0.750 INCHES NOMINAL IN
locking_featureRING, LOCK KEYED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD A
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_size0.250 INCHES NUT THREAD B IN
thread_quantity_per_inch16 NUT THREAD A
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD B
material_document_and_classificationQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE
NSN5307-01-407-9011
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TR280004-202-9 · 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-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.375 INCHES NOMINAL NUT THREAD A IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD A
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.375 INCHES NOMINAL NUT THREAD A IN
THREAD LENGTH0.375 INCHES NOMINAL NUT THREAD B IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE
OVERALL LENGTH0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD A
THREAD DIRECTIONRIGHT-HAND NUT THREAD B
DISTANCE FROM END OF STUD END THREADS TO NUT END0.375 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD A 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

No substitute or cross-reference records for this part.

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 TR280004-202-9?
TR280004-202-9 is a STUD,LOCKED IN.
What is the NSN for TR280004-202-9?
TR280004-202-9 is cataloged in the U.S. Government catalog under NSN 5307-01-407-9011. This indicates validated use in U.S. government and defense supply chains.
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