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PartsTable / COMPONENT / C2300-0045
C2300-0045 ✓ 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: PAN NO. 2, head_height: 0.094 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.625 INCHES NOMINAL IN, thread_length: 0.312 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 5305-00-802-8988, 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
C2300-0045
NSN: 5305-00-802-8988
FSC: 5305
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_stylePAN NO. 2
head_height0.094 INCHES NOMINAL IN
thread_class2A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.312 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.500 INCHES NOMINAL IN
shoulder_length0.125 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
width_across_flats0.250 INCHES NOMINAL IN
NSN5305-00-802-8988
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C2300-0045 · 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
•
SHOULDER DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
•
MATERIAL: COPPER ALLOY OVERALL
•
INTERNAL DRIVE STYLE: HEXAGON
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.312 INCHES MINIMUM IN
•
HEAD STYLE: PAN NO. 2
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
MATERIALCOPPER ALLOY OVERALL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
HEAD DIAMETER0.625 INCHES NOMINAL IN
THREAD LENGTH0.312 INCHES MINIMUM IN
HEAD STYLEPAN NO. 2
SHOULDER SHAPEROUND FIRST SHOULDER
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
R1-597Interchangeable
interchangeable cross-reference
interchangeable
913009Interchangeable
interchangeable cross-reference
interchangeable
28888Interchangeable
interchangeable cross-reference
interchangeable
68FL3/8X1/4Interchangeable
interchangeable cross-reference
interchangeable
68VL-6-4Interchangeable
interchangeable cross-reference
interchangeable
031L7EInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2300-0045?
C2300-0045 is a SCREW,SHOULDER.
What parts can replace C2300-0045?
There are 7 known substitutes for C2300-0045: R1-597, 913009, 28888 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2300-0045?
C2300-0045 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-802-8988. 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