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Technical Data Sheet
PartsTable / COMPONENT / 1611203PC1
1611203PC1 ✓ 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,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4042 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.168 INCHES NOMINAL IN, thread_length: 0.375 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL 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 5305-00-034-1242, 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
1611203PC1
NSN: 5305-00-034-1242
FSC: 5305
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4042 OR STEEL COMP 8740 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.168 INCHES NOMINAL IN
thread_length0.375 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
locking_featurePELLET THREADS
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
surface_treatmentZINC OVERALL
width_across_flats0.071 INCHES NOMINAL IN
internal_drive_styleHEXAGON
NSN5305-00-034-1242
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1611203PC1 · 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 CLASS: 3A A
•
LOCKING FEATURE: PELLET THREADS
•
COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL
•
WIDTH ACROSS FLATS: 0.071 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD QUANTITY PER INCH: 32
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
LOCKING FEATUREPELLET THREADS
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
WIDTH ACROSS FLATS0.071 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
HEAD STYLEFLAT COUNTERSUNK
THREAD QUANTITY PER INCH32
SURFACE TREATMENTZINC OVERALL
INTERNAL DRIVE STYLEHEXAGON
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5274Interchangeable
interchangeable cross-reference
interchangeable
29909Interchangeable
interchangeable cross-reference
interchangeable
7415348Interchangeable
interchangeable cross-reference
interchangeable
782-138-1Interchangeable
interchangeable cross-reference
interchangeable
1246C211Interchangeable
interchangeable cross-reference
interchangeable
632-DAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1611203PC1?
1611203PC1 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 1611203PC1?
There are 17 known substitutes for 1611203PC1: 5274, 29909, 7415348 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1611203PC1?
1611203PC1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-034-1242. 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