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Technical Data Sheet
PartsTable / COMPONENT / DS-937121
DS-937121 ✓ 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 BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_type: DRILLED, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, hole_diameter: 0.047 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 5306-00-780-9547, 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
DS-937121
NSN: 5306-00-780-9547
FSC: 5306
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_typeDRILLED
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
hole_diameter0.047 INCHES NOMINAL IN
hole_quantity6
thread_length0.750 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.156 INCHES NOMINAL IN
NSN5306-00-780-9547
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DS-937121 · 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
•
THREAD CLASS: 3A A
•
HOLE CONFIGURATION STYLE: ROUND LONGITUDINAL HOLE
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
HOLE CONFIGURATION STYLEROUND LONGITUDINAL HOLE
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HOLE TYPEDRILLED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
2G8564Upgraded Successor
successor cross-reference
successor
5195Upgraded Successor
successor cross-reference
successor
214A23Interchangeable
interchangeable cross-reference
interchangeable
1539662Interchangeable
interchangeable cross-reference
interchangeable
93523Interchangeable
interchangeable cross-reference
interchangeable
A3010-CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DS-937121?
DS-937121 is a BOLT,INTERNAL WRENCHING.
What parts can replace DS-937121?
There are 12 known substitutes for DS-937121: 2G8564, 5195, 214A23 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DS-937121?
DS-937121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-780-9547. 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