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Technical Data Sheet
PartsTable / COMPONENT / 12633-002
12633-002 ✓ 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 PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 0.182 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316, fastener_length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-765-4257, 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
12633-002
NSN: 5305-00-765-4257
FSC: 5305
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
thread_length0.182 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
fastener_length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
end_item_identificationMRAP - COUGAR AMBULANCE
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-00-765-4257
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12633-002 · 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 DIRECTION: RIGHT-HAND
•
HEAD DIAMETER: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
SCREW SURFACE TREATMENT: PASSIVATE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 2C STYLE
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
SCREW SURFACE TREATMENTPASSIVATE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 2C STYLE
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
NOMINAL THREAD DIAMETER0.164 INCHES IN
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
245319Interchangeable
interchangeable cross-reference
interchangeable
23064ADXInterchangeable
interchangeable cross-reference
interchangeable
220-0305-002Interchangeable
interchangeable cross-reference
interchangeable
22800260Interchangeable
interchangeable cross-reference
interchangeable
22264Interchangeable
interchangeable cross-reference
interchangeable
100-067-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12633-002?
12633-002 is a PLATE,MOUNTING.
What parts can replace 12633-002?
There are 23 known substitutes for 12633-002: 245319, 23064ADX, 220-0305-002 and 20 more. Substitute compatibility should be verified for your specific system.
Is 12633-002 still available?
12633-002 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026