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PartsTable / COMPONENT / SMD331453-19
SMD331453-19 ✓ 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: HEXAGON, head_height: 0.080 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.312 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1020, fastener_length: 0.312 INCHES NOMINAL 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 5305-00-297-7721, 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
SMD331453-19
NSN: 5305-00-297-7721
FSC: 5305
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.080 INCHES NOMINAL IN
thread_class2A A
thread_length0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1020
fastener_length0.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.250 INCHES NOMINAL IN
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
thread_quantity_per_inch40
thread_series_designatorUNF
NSN5305-00-297-7721
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SMD331453-19 · 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
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.312 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.250 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.080 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 40
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
FASTENER LENGTH0.312 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL IN
HEAD HEIGHT0.080 INCHES NOMINAL IN
THREAD QUANTITY PER INCH40
NOMINAL THREAD DIAMETER0.138 INCHES IN
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
6RA3500Interchangeable
interchangeable cross-reference
interchangeable
10398Interchangeable
interchangeable cross-reference
interchangeable
280110398Interchangeable
interchangeable cross-reference
interchangeable
PA27337Interchangeable
interchangeable cross-reference
interchangeable
62864Interchangeable
interchangeable cross-reference
interchangeable
1853-0089Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SMD331453-19?
SMD331453-19 is a SCREW,MACHINE.
What parts can replace SMD331453-19?
There are 17 known substitutes for SMD331453-19: 6RA3500, 10398, 280110398 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMD331453-19?
SMD331453-19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-297-7721. 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