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Technical Data Sheet

81348BC — Technical Data Sheet

✓ 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: PAN, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.875 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the Federal Logistics Information System under NSN 5305-00-059-8479, 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
81348BC
NSN: 5305-00-059-8479
FSC: 5305
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
head_stylePAN
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.875 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-059-8479
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 81348BC · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
THREAD CLASS: 2A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH0.875 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.875 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 9C STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
MS20073-03-05InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
112-0782-048InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CAV70-8-14PInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8844148-19InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
MS35216-45InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81348BC?
81348BC is a SCREW,MACHINE.
What parts can replace 81348BC?
There are 5 known substitutes for 81348BC: MS20073-03-05, 112-0782-048, CAV70-8-14P and 2 more. Substitute compatibility should be verified for your specific system.
Is 81348BC still available?
81348BC is currently cancelled.
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