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12436R1 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12436R1: SETSCREW.

The SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, point_style: CUP, fastener_length: 3.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-243-4740, 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
12436R1
NSN: 5305-00-243-4740
FSC: 5305 — Screws
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
point_styleCUP
fastener_length3.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
end_item_identificationMRAP MAXXPRO DASH ISS W/OGPK AND W/CROWS
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch10
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencySQUARE HEAD SET SCREW 3/4-10
NSN5305-00-243-4740
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12436R1 · 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: 3.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
HEAD STYLE: SQUARE
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: CUP
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLESQUARE
THREAD DIRECTIONRIGHT-HAND
POINT STYLECUP
SURFACE TREATMENTPHOSPHATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSQUARE HEAD SET SCREW 3/4-10
END ITEM IDENTIFICATIONMRAP MAXXPRO DASH ISS W/OGPK AND W/CROWS
THREAD QUANTITY PER INCH10
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
ESP-C-34.221-NPPReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12436R1?
12436R1 is a SETSCREW.
What parts can replace 12436R1?
There is 1 known substitute for 12436R1: ESP-C-34.221-NPP. Substitute compatibility should be verified for your specific system.
What is the NSN for 12436R1?
12436R1 is cataloged in the U.S. Government catalog under NSN 5305-00-243-4740. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.