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Technical Data Sheet
PartsTable / COMPONENT / 860454-1
860454-1 ✓ 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: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.187 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.220 INCHES MINIMUM AND 0.250 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 5305-01-037-0696, 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
860454-1
NSN: 5305-01-037-0696
FSC: 5305
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.187 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.375 INCHES NOMINAL IN
hardness_rating22.5 ROCKWELL C MINIMUM AND 24.4 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.020 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SECOND SHOULDER IN
NSN5305-01-037-0696
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 860454-1 · 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 SERIES DESIGNATOR: UNF
•
SHOULDER DIAMETER: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SECOND SHOULDER IN
•
SHOULDER LENGTH: 0.020 INCHES NOMINAL FIRST SHOULDER IN
•
INTERNAL DRIVE STYLE: SLOT
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
SHOULDER DIAMETER0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SECOND SHOULDER IN
SHOULDER LENGTH0.020 INCHES NOMINAL FIRST SHOULDER IN
INTERNAL DRIVE STYLESLOT
NOMINAL THREAD DIAMETER0.190 INCHES IN
MATERIALSTEEL COMP 303 OVERALL
HEAD HEIGHT0.187 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
4326Interchangeable
IBM 35.16GB 15k RPM Disk Unit
interchangeable
10465549Interchangeable
interchangeable cross-reference
interchangeable
53B7130Interchangeable
interchangeable cross-reference
interchangeable
7051Interchangeable
interchangeable cross-reference
interchangeable
17733Interchangeable
interchangeable cross-reference
interchangeable
Q4326Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 860454-1?
860454-1 is a SCREW,SHOULDER.
What parts can replace 860454-1?
There are 17 known substitutes for 860454-1: 4326, 10465549, 53B7130 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 860454-1?
860454-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-037-0696. 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