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PC443603 — Technical Data Sheet

✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.156 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.625 INCHES MINIMUM IN, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-297-0679, 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
PC443603
NSN: 5305-00-297-0679
FSC: 5305
CAGE: C7432 — POWER COMPONENTS (DEUTSCHLAND) GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.156 INCHES NOMINAL IN
thread_class2A A
thread_length0.625 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.438 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch20
NSN5305-00-297-0679
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PC443603 · 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
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
•
WIDTH BETWEEN FLATS: 0.438 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
WIDTH BETWEEN FLATS0.438 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
10082360InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS90728-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
803-5959276-06InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
443603InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
MS35301-6InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PC443603?
PC443603 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace PC443603?
There are 5 known substitutes for PC443603: 10082360, MS90728-6, 803-5959276-06 and 2 more. Substitute compatibility should be verified for your specific system.
Is PC443603 still available?
PC443603 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026