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Technical Data Sheet
PartsTable / COMPONENT / 368813R1
368813R1 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, thread_class: 3A A, thread_length: 1.385 INCHES MAXIMUM IN, fastener_length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM 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 5305-00-790-5601, 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
368813R1
NSN: 5305-00-790-5601
FSC: 5305
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFLAT
thread_class3A A
thread_length1.385 INCHES MAXIMUM IN
fastener_length1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
special_featuresTWO DRILLED HOLES 0;068 IN DIA LOCATED IN THD END IN
thread_directionRIGHT-HAND
width_across_flats0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
NSN5305-00-790-5601
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 368813R1 · 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
•
INTERNAL DRIVE STYLE: HEXAGON
•
MATERIAL: STEEL COMP 4037 OVERALL
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
FASTENER LENGTH: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
•
POINT STYLE: FLAT
•
THREAD QUANTITY PER INCH: 28
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLEHEXAGON
MATERIALSTEEL COMP 4037 OVERALL
SPECIAL FEATURESTWO DRILLED HOLES 0;068 IN DIA LOCATED IN THD END IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNF
FASTENER LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
POINT STYLEFLAT
THREAD QUANTITY PER INCH28
THREAD CLASS3A A
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
11587Interchangeable
interchangeable cross-reference
interchangeable
2000-5123-106Interchangeable
interchangeable cross-reference
interchangeable
5083Interchangeable
interchangeable cross-reference
interchangeable
070320000Interchangeable
interchangeable cross-reference
interchangeable
C1TZ18124HInterchangeable
interchangeable cross-reference
interchangeable
3027983Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 368813R1?
368813R1 is a SETSCREW.
What parts can replace 368813R1?
There are 10 known substitutes for 368813R1: 11587, 2000-5123-106, 5083 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 368813R1?
368813R1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-790-5601. 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