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PartsTable / COMPONENT / S450PC27
S450PC27 ✓ 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: COPPER ALLOY OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-394-7812, 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
S450PC27
NSN: 5305-00-394-7812
FSC: 5305
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES NOMINAL IN
thread_class2A A
head_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
thread_length0.375 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.917 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
shoulder_length0.542 INCHES MINIMUM AND 0.547 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.4340 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_styleSLOT
NSN5305-00-394-7812
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S450PC27 · 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: 24
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HEAD DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.917 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
NOMINAL THREAD DIAMETER0.375 INCHES IN
SHOULDER SHAPEROUND FIRST SHOULDER
HEAD DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
INTERNAL DRIVE STYLESLOT
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.917 INCHES MINIMUM AND 0.922 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
THREAD CLASS2A A
HEAD STYLEFLAT CHAMFER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
AN4-44Interchangeable
interchangeable cross-reference
interchangeable
411177-44Interchangeable
interchangeable cross-reference
interchangeable
7901971-009Interchangeable
interchangeable cross-reference
interchangeable
7037M85P01Interchangeable
interchangeable cross-reference
interchangeable
10109860Interchangeable
interchangeable cross-reference
interchangeable
S4.4-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S450PC27?
S450PC27 is a SCREW,SHOULDER.
What parts can replace S450PC27?
There are 13 known substitutes for S450PC27: AN4-44, 411177-44, 7901971-009 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S450PC27?
S450PC27 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-394-7812. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026