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FHA-440-6 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

FHA-440-6: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include thread_class: 2A NUT THREAD A, head_diameter: 0.188 INCHES NOMINAL IN, overall_length: 0.400 INCHES NOMINAL IN, locking_feature: HEAD DISTORTIONS, style_designator: SELF-LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-122-8544, 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
FHA-440-6
NSN: 5307-01-122-8544
FSC: 5307 — Studs
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
thread_class2A NUT THREAD A
head_diameter0.188 INCHES NOMINAL IN
overall_length0.400 INCHES NOMINAL IN
locking_featureHEAD DISTORTIONS
style_designatorSELF-LOCKING
NSN5307-01-122-8544
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: FHA-440-6 · 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
•
STYLE DESIGNATOR: SELF-LOCKING
•
LOCKING FEATURE: HEAD DISTORTIONS
•
THREAD CLASS: 2A NUT THREAD A
•
HEAD DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH0.400 INCHES NOMINAL IN
LOCKING FEATUREHEAD DISTORTIONS
THREAD CLASS2A NUT THREAD A
HEAD DIAMETER0.188 INCHES NOMINAL 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
100BS7-210Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 FHA-440-6?
FHA-440-6 is a STUD,SELF-LOCKING.
What parts can replace FHA-440-6?
There is 1 known substitute for FHA-440-6: 100BS7-210. Substitute compatibility should be verified for your specific system.
What is the NSN for FHA-440-6?
FHA-440-6 is cataloged in the U.S. Government catalog under NSN 5307-01-122-8544. 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.