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PartsTable / COMPONENT / 12273417-1
12273417-1 ✓ 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,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE OVERALL, head_style: FILLISTER, head_height: 0.160 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.310 INCHES NOMINAL IN, thread_length: 0.190 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 5305-01-171-0151, 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
12273417-1
NSN: 5305-01-171-0151
FSC: 5305
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 303SE OVERALL
head_styleFILLISTER
head_height0.160 INCHES NOMINAL IN
thread_class2A A
head_diameter0.310 INCHES NOMINAL IN
thread_length0.190 INCHES NOMINAL IN
fastener_length0.2505 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-171-0151
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12273417-1 · 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 QUANTITY PER INCH: 32
•
THREAD CLASS: 2A A
•
MATERIAL DOCUMENT AND CLASSIFICATION: STMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HEAD HEIGHT: 0.160 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: FILLISTER
•
MATERIAL: STEEL COMP 303SE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
THREAD CLASS2A A
MATERIAL DOCUMENT AND CLASSIFICATIONSTMA582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD HEIGHT0.160 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEFILLISTER
MATERIALSTEEL COMP 303SE OVERALL
INTERNAL DRIVE STYLESLOT
FASTENER LENGTH0.2505 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
27511Interchangeable
interchangeable cross-reference
interchangeable
27511-JInterchangeable
interchangeable cross-reference
interchangeable
4317Interchangeable
IBM 8.5GB 10k Disk Scsi-U2 80p 3.5in
interchangeable
Y4307Interchangeable
interchangeable cross-reference
interchangeable
4004317Interchangeable
interchangeable cross-reference
interchangeable
4317LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12273417-1?
12273417-1 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 12273417-1?
There are 20 known substitutes for 12273417-1: 27511, 27511-J, 4317 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12273417-1?
12273417-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-171-0151. 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