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Technical Data Sheet
PartsTable / COMPONENT / 5044448-3
5044448-3 ✓ 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: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-088-2802, 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
5044448-3
NSN: 5305-01-088-2802
FSC: 5305
CAGE: 57946 — US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.188 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.250 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
shoulder_length0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-01-088-2802
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5044448-3 · 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 SERIES DESIGNATOR: UNF
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
SHOULDER DIAMETER: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SHOULDER LENGTH: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES IN
SHOULDER DIAMETER0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER LENGTH0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS2A A
FASTENER LENGTH0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
995-3A2200Interchangeable
interchangeable cross-reference
interchangeable
313-001-053Interchangeable
interchangeable cross-reference
interchangeable
3X2250Interchangeable
interchangeable cross-reference
interchangeable
MS3108R14S7PXInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-5015Interchangeable
interchangeable cross-reference
interchangeable
620303Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5044448-3?
5044448-3 is a SCREW,SHOULDER.
What parts can replace 5044448-3?
There are 24 known substitutes for 5044448-3: 995-3A2200, 313-001-053, 3X2250 and 21 more. Substitute compatibility should be verified for your specific system.
Is 5044448-3 still available?
5044448-3 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