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PartsTable / COMPONENT / 4491153 PC 36
4491153 PC 36 ✓ 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: NICKEL ALLOY 400 OVERALL, head_style: FLAT CHAMFER, head_height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.400 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 5305-00-865-1656, 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
4491153 PC 36
NSN: 5305-00-865-1656
FSC: 5305
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
head_styleFLAT CHAMFER
head_height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length0.400 INCHES NOMINAL IN
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.188 INCHES NOMINAL IN
internal_drive_styleHEXAGON
minimum_yield_strength40000 POUNDS PER SQUARE INCH LBS
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-865-1656
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4491153 PC 36 · 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
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: NICKEL ALLOY R-405 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 6 TYPE
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD DIAMETER: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALNICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 CL B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA6 TYPE
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
13860-46Interchangeable
interchangeable cross-reference
interchangeable
FFS86TYPE6Interchangeable
interchangeable cross-reference
interchangeable
12F1007-293Interchangeable
interchangeable cross-reference
interchangeable
12Z1007-293Interchangeable
interchangeable cross-reference
interchangeable
43-S-4374-1640Interchangeable
interchangeable cross-reference
interchangeable
12Z1196-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4491153 PC 36?
4491153 PC 36 is a SCREW,CAP,SOCKET HEAD.
What parts can replace 4491153 PC 36?
There are 20 known substitutes for 4491153 PC 36: 13860-46, FFS86TYPE6, 12F1007-293 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4491153 PC 36?
4491153 PC 36 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-865-1656. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026