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FHS-256-6 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FHS-256-6: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 305, head_length: 0.040 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.156 INCHES NOMINAL IN, thread_length: 0.335 INCHES NOMINAL NUT THREAD IN, overall_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-905-3146, 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
FHS-256-6
NSN: 5307-00-905-3146
FSC: 5307 — Studs
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 305
head_length0.040 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.156 INCHES NOMINAL IN
thread_length0.335 INCHES NOMINAL NUT THREAD IN
overall_length0.375 INCHES NOMINAL IN
locking_featureHEAD DISTORTIONS
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.086 INCHES NUT THREAD IN
thread_quantity_per_inch56 NUT THREAD
NSN5307-00-905-3146
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FHS-256-6 · 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: 0.335 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.086 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.040 INCHES NOMINAL IN
•
LOCKING FEATURE: HEAD DISTORTIONS
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.335 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.086 INCHES NUT THREAD IN
HEAD LENGTH0.040 INCHES NOMINAL IN
LOCKING FEATUREHEAD DISTORTIONS
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
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 9
540459-016CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VH844201-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
38610-3Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
16600755-022Reference document
Same NSN cross-reference
Reference document — Secondary reference
CHS-256-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
419279-42Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FHS-256-6?
FHS-256-6 is a STUD,SELF-LOCKING.
What parts can replace FHS-256-6?
There are 9 known substitutes for FHS-256-6: 540459-016C, VH844201-3, 38610-3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FHS-256-6?
FHS-256-6 is cataloged in the U.S. Government catalog under NSN 5307-00-905-3146. This indicates validated use in U.S. government and defense supply chains.
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