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Technical Data Sheet
PartsTable / COMPONENT / A-1-1105
A-1-1105 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: STEEL, duty_type: CONTINUOUS, ring_style: SPIRAL FLAT, time_delay: 0.02 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME, thread_class: 2A SINGLE MOUNTING FACILITY A, usage_design: INTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-482-1574, 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
A-1-1105
NSN: 5325-00-482-1574
FSC: 5325
CAGE: 08302 — PACCAR WINCH INC DBA PACCAR WINCH DIVISION (USA)
SPECIFICATIONS
materialSTEEL
duty_typeCONTINUOUS
ring_styleSPIRAL FLAT
time_delay0.02 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
thread_class2A SINGLE MOUNTING FACILITY A
usage_designINTERNAL
coil_quantity1
overall_length3.750 INCHES MAXIMUM IN
inside_diameter3.250 INCHES NOMINAL IN
major_thickness0.469 INCHES NOMINAL IN
outside_diameter4.500 INCHES NOMINAL IN
overall_diameter1.844 INCHES MAXIMUM IN
NSN5325-00-482-1574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-1-1105 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL
•
USAGE DESIGN: INTERNAL
•
MAJOR THICKNESS: 0.469 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 3.250 INCHES NOMINAL IN
•
RING STYLE: SPIRAL FLAT
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL
USAGE DESIGNINTERNAL
MAJOR THICKNESS0.469 INCHES NOMINAL IN
OUTSIDE DIAMETER4.500 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER3.250 INCHES NOMINAL IN
RING STYLESPIRAL FLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
HG4B1033Interchangeable
interchangeable cross-reference
interchangeable
300-031Interchangeable
interchangeable cross-reference
interchangeable
A11105Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1-1105?
A-1-1105 is a RELAY,ELECTROMAGNETIC.
What parts can replace A-1-1105?
There are 4 known substitutes for A-1-1105: HG4B1033, 300-031, A11105 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1-1105?
A-1-1105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-482-1574. 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