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Technical Data Sheet
PartsTable / COMPONENT / 1611203PC22
1611203PC22 ✓ 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 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.255 INCHES NOMINAL IN, thread_length: 0.250 INCHES MINIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-019-9317, 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
1611203PC22
NSN: 5305-00-019-9317
FSC: 5305
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.255 INCHES NOMINAL IN
thread_length0.250 INCHES MINIMUM IN
fastener_length0.250 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
locking_featurePATCH OR STRIP THREADS
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
surface_treatmentCADMIUM OVERALL
width_across_flats0.063 INCHES NOMINAL IN
NSN5305-00-019-9317
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1611203PC22 · 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
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
HEAD DIAMETER: 0.255 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: HEXAGON
•
THREAD LENGTH: 0.250 INCHES MINIMUM IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.255 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLEHEXAGON
THREAD LENGTH0.250 INCHES MINIMUM IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
LOCKING FEATUREPATCH OR STRIP THREADS
WIDTH ACROSS FLATS0.063 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
DS-934401Interchangeable
interchangeable cross-reference
interchangeable
5233Interchangeable
interchangeable cross-reference
interchangeable
55032Interchangeable
interchangeable cross-reference
interchangeable
55032BInterchangeable
interchangeable cross-reference
interchangeable
570835Interchangeable
interchangeable cross-reference
interchangeable
J246Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1611203PC22?
1611203PC22 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 1611203PC22?
There are 22 known substitutes for 1611203PC22: DS-934401, 5233, 55032 and 19 more. Substitute compatibility should be verified for your specific system.
Is 1611203PC22 still available?
1611203PC22 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