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Technical Data Sheet
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10125504 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_length: 0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-808-2581, 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
10125504
NSN: 5305-00-808-2581
FSC: 5305
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_length0.339 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
fastener_length0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.086 INCHES IN
screw_surface_treatmentPASSIVATE
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch56
NSN5305-00-808-2581
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10125504 · 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
•
COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
•
SCREW SURFACE TREATMENT: PASSIVATE
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
INTERNAL DRIVE STYLE: SLOT
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 COMP 303S MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 CL 321 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 CL 347 FED SPEC 4TH MATERIAL RESPONSE
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
SCREW SURFACE TREATMENTPASSIVATE
HEAD STYLEFLAT COUNTERSUNK
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.086 INCHES IN
INTERNAL DRIVE STYLESLOT
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-7720 COMP 303S MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 CL 321 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-763 CL 347 FED SPEC 4TH MATERIAL RESPONSE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
THREAD QUANTITY PER INCH56
HEAD DIAMETER0.156 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
NAS662C2-6Interchangeable
interchangeable cross-reference
interchangeable
342-0135-000Interchangeable
interchangeable cross-reference
interchangeable
519048-8F0Interchangeable
interchangeable cross-reference
interchangeable
FF-S-92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10125504?
10125504 is a SCREW,MACHINE.
What parts can replace 10125504?
There are 4 known substitutes for 10125504: NAS662C2-6, 342-0135-000, 519048-8F0 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10125504?
10125504 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-808-2581. 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