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Technical Data Sheet
PartsTable / COMPONENT / A-604
A-604 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, end_style: VERTEX BELOW CENTER, head_style: HEXAGON, ring_style: STRAIGHT GAP, head_height: 0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-5607, 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-604
NSN: 5325-00-282-5607
FSC: 5325
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialSTEEL OVERALL
end_styleVERTEX BELOW CENTER
head_styleHEXAGON
ring_styleSTRAIGHT GAP
head_height0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
thread_class2A A
usage_designINTERNAL
overall_width0.875 INCHES NOMINAL IN
terminal_typeWIRE LEAD
thread_length0.750 INCHES NOMINAL IN
overall_height1.875 INCHES NOMINAL IN
NSN5325-00-282-5607
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A-604 · 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
•
INSIDE DIAMETER: 5.562 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.123 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL COMP 1055
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE X1055 ASSN STD SINGLE MATERIAL RESPONSE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
•
END STYLE: VERTEX BELOW CENTER
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER5.562 INCHES NOMINAL IN
MAJOR THICKNESS0.123 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALSTEEL COMP 1055
MATERIAL DOCUMENT AND CLASSIFICATIONSAE X1055 ASSN STD SINGLE MATERIAL RESPONSE
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
END STYLEVERTEX BELOW CENTER
USAGE DESIGNINTERNAL
OUTSIDE DIAMETER6.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
RELEASE5239Interchangeable
interchangeable cross-reference
interchangeable
2N2920AAInterchangeable
interchangeable cross-reference
interchangeable
2N2920AInterchangeable
interchangeable cross-reference
interchangeable
A604Interchangeable
interchangeable cross-reference
interchangeable
MILB5687TYPE1C0MP0SITI0NAInterchangeable
interchangeable cross-reference
interchangeable
DM-395Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-604?
A-604 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace A-604?
There are 18 known substitutes for A-604: RELEASE5239, 2N2920AA, 2N2920A and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-604?
A-604 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-282-5607. 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