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Technical Data Sheet
PartsTable / COMPONENT / 10-7121
10-7121 ✓ 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

STRAP,WRIST,ELECTROSTATIC DISCHA. Key specifications include material: STEEL CORROSION RESISTING OVERALL, base_style: TELEPHONE SLIDE NUMBER ONE, bulb_style: T (TUBULAR), head_style: HEXAGON, head_height: 0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN, thread_class: 3A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-442-0949, 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
10-7121
NSN: 5305-00-442-0949
FSC: 5305
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
base_styleTELEPHONE SLIDE NUMBER ONE
bulb_styleT (TUBULAR)
head_styleHEXAGON
head_height0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
thread_class3A A
thread_length0.281 INCHES MINIMUM IN
overall_length1.181 INCHES MAXIMUM IN
voltage_rating6.000 VOLTS NOMINAL
bulb_designatorT-2
fastener_length0.781 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5305-00-442-0949
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10-7121 · 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 LENGTH: 0.281 INCHES MINIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.142 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
FASTENER LENGTH: 0.781 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD LENGTH0.281 INCHES MINIMUM IN
FIRST DIAMETER FROM HEAD0.142 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
FASTENER LENGTH0.781 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD HEIGHT0.152 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1264-1279Interchangeable
interchangeable cross-reference
interchangeable
190742Interchangeable
interchangeable cross-reference
interchangeable
GT800D1Interchangeable
interchangeable cross-reference
interchangeable
5530-00-006-040Interchangeable
interchangeable cross-reference
interchangeable
10712-1Interchangeable
interchangeable cross-reference
interchangeable
55306V40MAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-7121?
10-7121 is a STRAP,WRIST,ELECTROSTATIC DISCHA.
What parts can replace 10-7121?
There are 6 known substitutes for 10-7121: 1264-1279, 190742, GT800D1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-7121?
10-7121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-442-0949. 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