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PartsTable / COMPONENT / AN25-58
AN25-58 ✓ 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 SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL, head_style: ROUND, head_height: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM 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 5305-00-141-5284, 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
AN25-58
NSN: 5305-00-141-5284
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
head_styleROUND
head_height0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
thread_length0.375 INCHES MINIMUM IN
fastener_length0.750 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
first_diameter_from_head0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NSN5305-00-141-5284
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN25-58 · 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 LENGTH: 0.250 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD DIAMETER: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
•
HEAD STYLE: ROUND
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.250 INCHES MINIMUM IN
THREAD QUANTITY PER INCH32
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
HEAD STYLEROUND
FASTENER LENGTH0.625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
FIRST DIAMETER FROM HEAD0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
ST81D216-2Interchangeable
interchangeable cross-reference
interchangeable
59P-8Interchangeable
interchangeable cross-reference
interchangeable
12092Interchangeable
interchangeable cross-reference
interchangeable
AN25-58Interchangeable
interchangeable cross-reference
interchangeable
11702Interchangeable
interchangeable cross-reference
interchangeable
W702Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN25-58?
AN25-58 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace AN25-58?
There are 10 known substitutes for AN25-58: ST81D216-2, 59P-8, 12092 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN25-58?
AN25-58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-141-5284. 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