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Technical Data Sheet
PartsTable / COMPONENT / A1725
A1725 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, head_style: FLAT COUNTERSUNK, seat_angle: 45.0 DEGREES NOMINAL, thread_class: 2A A, head_diameter: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, thread_length: 0.775 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 5305-00-010-0819, 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
A1725
NSN: 5305-00-010-0819
FSC: 5305
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
head_styleFLAT COUNTERSUNK
seat_angle45.0 DEGREES NOMINAL
thread_class2A A
head_diameter0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
thread_length0.775 INCHES MINIMUM IN
overall_height1.463 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.875 INCHES NOMINAL IN
outside_diameter1.375 INCHES NOMINAL IN
special_featuresFIN TYPE DISK GUIDE
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
NSN5305-00-010-0819
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A1725 · 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
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
•
HEAD STYLE: FLAT COUNTERSUNK
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD DIAMETER: 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
HEAD STYLEFLAT COUNTERSUNK
FASTENER LENGTH0.875 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
SCREW MATERIALSTEEL
THREAD QUANTITY PER INCH32
THREAD LENGTH0.775 INCHES MINIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
A1725Interchangeable
interchangeable cross-reference
interchangeable
17217Interchangeable
interchangeable cross-reference
interchangeable
C-17217Interchangeable
interchangeable cross-reference
interchangeable
A1064PC55Interchangeable
interchangeable cross-reference
interchangeable
A1736MPC55Interchangeable
interchangeable cross-reference
interchangeable
A890PC15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1725?
A1725 is a DISK,VALVE.
What parts can replace A1725?
There are 22 known substitutes for A1725: A1725, 17217, C-17217 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1725?
A1725 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-010-0819. 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