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WS245-4-6-42A — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WS245-4-6-42A: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340, thread_class: 3A STUD THREAD A, thread_length: 0.330 INCHES NOMINAL STUD THREAD IN, overall_length: 2.995 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, locking_feature: RING, LOCK KEYED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-009-2273, 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
WS245-4-6-42A
NSN: 5307-01-009-2273
FSC: 5307 — Studs
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OR STEEL COMP 4340
thread_class3A STUD THREAD A
thread_length0.330 INCHES NOMINAL STUD THREAD IN
overall_length2.995 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
locking_featureRING, LOCK KEYED
shoulder_length0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
thread_quantity_per_inch28 NUT THREAD
NSN5307-01-009-2273
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WS245-4-6-42A · 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 FINISH: 125.0 MICROINCHES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.330 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH2.995 INCHES NOMINAL 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 2
502AS3414-08Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
881BW-4MD2625Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 WS245-4-6-42A?
WS245-4-6-42A is a STUD,LOCKED IN.
What parts can replace WS245-4-6-42A?
There are 2 known substitutes for WS245-4-6-42A: 502AS3414-08, 881BW-4MD2625. Substitute compatibility should be verified for your specific system.
What is the NSN for WS245-4-6-42A?
WS245-4-6-42A is cataloged in the U.S. Government catalog under NSN 5307-01-009-2273. This indicates validated use in U.S. government and defense supply chains.
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