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Technical Data Sheet
PartsTable / COMPONENT / 44D30
44D30 ✓ 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

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.187 INCHES NOMINAL IN, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.250 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-146-5701, 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
44D30
NSN: 5305-00-146-5701
FSC: 5305
CAGE: 29964 — ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.187 INCHES NOMINAL IN
head_diameter0.375 INCHES NOMINAL IN
thread_length0.250 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.625 INCHES NOMINAL IN
shoulder_length0.375 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.249 INCHES NOMINAL FIRST SHOULDER IN
width_across_flats0.125 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-00-146-5701
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 44D30 · 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 DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.250 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
SHOULDER DIAMETER: 0.249 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.375 INCHES NOMINAL FIRST SHOULDER IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
SHOULDER DIAMETER0.249 INCHES NOMINAL FIRST SHOULDER IN
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES IN
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
SHOULDER LENGTH0.375 INCHES NOMINAL FIRST SHOULDER IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
4430Interchangeable
interchangeable cross-reference
interchangeable
0534Z86Interchangeable
interchangeable cross-reference
interchangeable
9859-N42Interchangeable
interchangeable cross-reference
interchangeable
16T2741Interchangeable
interchangeable cross-reference
interchangeable
330-50PK-GInterchangeable
interchangeable cross-reference
interchangeable
1C1787-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 44D30?
44D30 is a SCREW,SHOULDER.
What parts can replace 44D30?
There are 18 known substitutes for 44D30: 4430, 0534Z86, 9859-N42 and 15 more. Substitute compatibility should be verified for your specific system.
Is 44D30 still available?
44D30 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