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Technical Data Sheet
PartsTable / COMPONENT / H385
H385 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, head_style: KNURLED NO. 1, nut_height: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN, body_length: 0.450 INCHES MAXIMUM IN, head_height: 0.312 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-256-7295, 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
H385
NSN: 5305-00-256-7295
FSC: 5305
CAGE: 96027 — NORTHWESTERN TOOLS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
head_styleKNURLED NO. 1
nut_height0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
body_length0.450 INCHES MAXIMUM IN
head_height0.312 INCHES NOMINAL IN
point_styleBALL
point_length0.266 INCHES NOMINAL IN
thread_class2B
head_diameter0.875 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length3.922 INCHES MINIMUM AND 3.984 INCHES MAXIMUM IN
NSN5305-00-256-7295
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H385 · 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 QUANTITY PER INCH: 16
•
FASTENER LENGTH: 4.876 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN
•
POINT DIAMETER: 0.308 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: KNURLED NO. 1
•
POINT STYLE: BALL
•
POINT LENGTH: 0.266 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH16
FASTENER LENGTH4.876 INCHES MINIMUM AND 4.938 INCHES MAXIMUM IN
POINT DIAMETER0.308 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SPECIAL FEATURESPOINT GROOVED FOR RETAINING SPRING
HEAD STYLEKNURLED NO. 1
POINT STYLEBALL
POINT LENGTH0.266 INCHES NOMINAL IN
MATERIALSTEEL COMP 1213 OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
44-113Interchangeable
interchangeable cross-reference
interchangeable
2173549Interchangeable
interchangeable cross-reference
interchangeable
150 43Interchangeable
interchangeable cross-reference
interchangeable
2012-T 43Interchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
M433174-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H385?
H385 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace H385?
There are 21 known substitutes for H385: 44-113, 2173549, 150 43 and 18 more. Substitute compatibility should be verified for your specific system.
Is H385 still available?
H385 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026