PartsTable
Technical Data Sheet
Download PDF

HT4078-3-10D — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HT4078-3-10D: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R56400 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.068 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.427 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN, thread_length: 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-220-0200, 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
HT4078-3-10D
NSN: 5305-01-220-0200
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R56400 OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
head_height0.068 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.427 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN
thread_length0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
shoulder_length0.545 INCHES MINIMUM AND 0.567 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresCETYL ALCOHOL LUBE
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN5305-01-220-0200
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HT4078-3-10D · 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
•
HEAD HEIGHT: 0.068 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.545 INCHES MINIMUM AND 0.567 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.217 INCHES MINIMUM AND 0.218 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.068 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
FASTENER LENGTH1.015 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
SHOULDER LENGTH0.545 INCHES MINIMUM AND 0.567 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.217 INCHES MINIMUM AND 0.218 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
3M1082V3-10DReference 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 HT4078-3-10D?
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 HT4078-3-10D?
HT4078-3-10D is a SCREW,SHOULDER.
What parts can replace HT4078-3-10D?
There is 1 known substitute for HT4078-3-10D: 3M1082V3-10D. Substitute compatibility should be verified for your specific system.
What is the NSN for HT4078-3-10D?
HT4078-3-10D is cataloged in the U.S. Government catalog under NSN 5305-01-220-0200. 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 — HT4078-3-10D

✓ 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.