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PartsTable / COMPONENT / 931B-5CS0500
931B-5CS0500 ✓ 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 INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.500 INCHES NOMINAL IN, material: STEEL COMP 1117 OVERALL, insert_size: 0.500-13 UNC CLASS 3A A, thread_class: 3B, style_designator: KEYLOCK, nominal_thread_size: 0.312 INCHES 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 5325-00-732-7784, 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
931B-5CS0500
NSN: 5325-00-732-7784
FSC: 5325
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.500 INCHES NOMINAL IN
materialSTEEL COMP 1117 OVERALL
insert_size0.500-13 UNC CLASS 3A A
thread_class3B
style_designatorKEYLOCK
nominal_thread_size0.312 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
internal_thread_relief_depth0.500 INCHES NOMINAL IN
material_document_and_classificationAMS 5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
top_portion_unthreaded_outside_length0.052 INCHES NOMINAL IN
top_unthreaded_portion_outside_diameter0.398 INCHES NOMINAL IN
NSN5325-00-732-7784
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 931B-5CS0500 · 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 CLASS: 3B
•
MATERIAL: STEEL COMP 1117 OVERALL
•
TOP PORTION UNTHREADED OUTSIDE LENGTH: 0.052 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: KEYLOCK
•
THREAD QUANTITY PER INCH: 24
•
INTERNAL THREAD RELIEF DEPTH: 0.500 INCHES NOMINAL IN
•
INSERT SIZE: 0.500-13 UNC CLASS 3A A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
MATERIALSTEEL COMP 1117 OVERALL
TOP PORTION UNTHREADED OUTSIDE LENGTH0.052 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORKEYLOCK
THREAD QUANTITY PER INCH24
INTERNAL THREAD RELIEF DEPTH0.500 INCHES NOMINAL IN
INSERT SIZE0.500-13 UNC CLASS 3A A
THREAD SERIES DESIGNATORUNF
LENGTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
258Interchangeable
interchangeable cross-reference
interchangeable
DHG18.258Interchangeable
interchangeable cross-reference
interchangeable
599-585-18-1Interchangeable
interchangeable cross-reference
interchangeable
220604PC4Interchangeable
interchangeable cross-reference
interchangeable
25818Interchangeable
interchangeable cross-reference
interchangeable
B25818Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 931B-5CS0500?
931B-5CS0500 is a INSERT,SCREW THREAD.
What parts can replace 931B-5CS0500?
There are 13 known substitutes for 931B-5CS0500: 258, DHG18.258, 599-585-18-1 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 931B-5CS0500?
931B-5CS0500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-732-7784. 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