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682-557-2109 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

682-557-2109: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, thread_class: 2A STUD THREAD A, thread_length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN, overall_length: 0.829 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN, locking_feature: RING, LOCK KEYED, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-353-6958, 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
682-557-2109
NSN: 5307-01-353-6958
FSC: 5307 — Studs
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialIRON ALLOY 660
thread_class2A STUD THREAD A
thread_length0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN
overall_length0.829 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN
locking_featureRING, LOCK KEYED
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.190 INCHES NUT THREAD IN
end_item_identificationPACER DAWN
thread_quantity_per_inch18 STUD THREAD
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD
NSN5307-01-353-6958
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 682-557-2109 · 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
•
THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5734 A-286 CRES ASSN STD SINGLE MATERIAL RESPONSE A
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.380 INCHES MINIMUM AND 0.440 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5734 A-286 CRES ASSN STD SINGLE MATERIAL RESPONSE A
OVERALL LENGTH0.829 INCHES MINIMUM AND 0.919 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
DISTANCE FROM END OF STUD END THREADS TO NUT END0.532 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.312 INCHES STUD 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 682-557-2109?
682-557-2109 is a STUD,LOCKED IN.
What is the NSN for 682-557-2109?
682-557-2109 is cataloged in the U.S. Government catalog under NSN 5307-01-353-6958. This indicates validated use in U.S. government and defense supply chains.
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