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Technical Data Sheet
PartsTable / COMPONENT / 40A1
40A1 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: PLASTIC BODY, end_style: 90 DEGREE PARALLEL, body_width: 5.000 INCHES NOMINAL IN, ring_style: STRAIGHT GAP, body_height: 7.125 INCHES NOMINAL IN, body_length: 10.000 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 5325-00-030-9117, 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
40A1
NSN: 5325-00-030-9117
FSC: 5325
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialPLASTIC BODY
end_style90 DEGREE PARALLEL
body_width5.000 INCHES NOMINAL IN
ring_styleSTRAIGHT GAP
body_height7.125 INCHES NOMINAL IN
body_length10.000 INCHES NOMINAL IN
usage_designEXTERNAL OR INTERNAL
inclosure_typeHERMETICALLY SEALED
inside_diameter0.125 INCHES NOMINAL IN
major_thickness0.034 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
outside_diameter0.193 INCHES NOMINAL IN
NSN5325-00-030-9117
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40A1 · 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
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL: STEEL
•
SURFACE TREATMENT: TIN OR CADMIUM
•
OUTSIDE DIAMETER: 0.193 INCHES NOMINAL IN
•
RING STYLE: STRAIGHT GAP
•
USAGE DESIGN: EXTERNAL OR INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
END STYLE90 DEGREE PARALLEL
MATERIALSTEEL
SURFACE TREATMENTTIN OR CADMIUM
OUTSIDE DIAMETER0.193 INCHES NOMINAL IN
RING STYLESTRAIGHT GAP
USAGE DESIGNEXTERNAL OR INTERNAL
CROSS-SECTIONAL SHAPE STYLEROUND
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.125 INCHES NOMINAL IN
MAJOR THICKNESS0.034 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
400AInterchangeable
interchangeable cross-reference
interchangeable
40A-1Interchangeable
interchangeable cross-reference
interchangeable
MILB36488Interchangeable
interchangeable cross-reference
interchangeable
4-48Interchangeable
interchangeable cross-reference
interchangeable
PEI 9348Interchangeable
interchangeable cross-reference
interchangeable
2134518-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40A1?
40A1 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 40A1?
There are 6 known substitutes for 40A1: 400A, 40A-1, MILB36488 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40A1?
40A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-030-9117. 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