PartsTable
Technical Data Sheet
26451S ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_length: 0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, fastener_length: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-011-0985, 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
26451S
NSN: 5305-00-011-0985
FSC: 5305
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
head_styleROUND
head_height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_length0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
fastener_length0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
screw_material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES
NSN5305-00-011-0985
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 26451S · 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
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
HEAD HEIGHT: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
THREAD CLASS: 2A A
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH: 0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
HEAD DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
HEAD STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.138 INCHES IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.126 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
HEAD DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
HEAD STYLEROUND
THREAD QUANTITY PER INCH32
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
42366Interchangeable
interchangeable cross-reference
interchangeable
F910Interchangeable
interchangeable cross-reference
interchangeable
94289Interchangeable
interchangeable cross-reference
interchangeable
124818Interchangeable
interchangeable cross-reference
interchangeable
FFB571Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-7788Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26451S?
26451S is a SCREW,MACHINE.
What parts can replace 26451S?
There are 19 known substitutes for 26451S: 42366, F910, 94289 and 16 more. Substitute compatibility should be verified for your specific system.
Is 26451S still available?
26451S is currently cancelled.
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