PartsTable
Technical Data Sheet
Download PDF

HFHB-0420-8ES — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HFHB-0420-8ES: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510, head_length: 0.050 INCHES NOMINAL IN, thread_class: 2A NUT THREAD A, head_diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL NUT THREAD IN, overall_length: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-323-5633, 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
HFHB-0420-8ES
NSN: 5307-01-323-5633
FSC: 5307 — Studs
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510
head_length0.050 INCHES NOMINAL IN
thread_class2A NUT THREAD A
head_diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL NUT THREAD IN
overall_length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_quantity_per_inch20 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NSN5307-01-323-5633
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HFHB-0420-8ES · 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: 0.375 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: CDA 510 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.250 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.050 INCHES NOMINAL IN
•
LOCKING FEATURE: SELF-CLINCHING HEAD
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
MATERIAL DOCUMENT AND CLASSIFICATIONCDA 510 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
HEAD LENGTH0.050 INCHES NOMINAL IN
LOCKING FEATURESELF-CLINCHING HEAD
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH20 NUT THREAD
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
6099059-1Reference 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
Ready to buy HFHB-0420-8ES?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is HFHB-0420-8ES?
HFHB-0420-8ES is a STUD,SELF-LOCKING.
What parts can replace HFHB-0420-8ES?
There is 1 known substitute for HFHB-0420-8ES: 6099059-1. Substitute compatibility should be verified for your specific system.
What is the NSN for HFHB-0420-8ES?
HFHB-0420-8ES is cataloged in the U.S. Government catalog under NSN 5307-01-323-5633. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — HFHB-0420-8ES

✓ 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.