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PartsTable / COMPONENT / 125X1059
125X1059 ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.189 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.501 INCHES MAXIMUM IN, fastener_length: 0.501 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 5306-00-637-9790, 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
125X1059
NSN: 5306-00-637-9790
FSC: 5306
CAGE: 94033 — CARDWELL CONDENSER CORP LAPOINTE-ADMIRAL DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.189 INCHES NOMINAL IN
thread_class2A A
thread_length0.501 INCHES MAXIMUM IN
fastener_length0.501 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.439 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
NSN5306-00-637-9790
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 125X1059 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FASTENER LENGTH: 0.501 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
•
HEAD HEIGHT: 0.189 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 20
•
WIDTH BETWEEN FLATS: 0.439 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FASTENER LENGTH0.501 INCHES NOMINAL IN
THREAD CLASS2A A
HEAD HEIGHT0.189 INCHES NOMINAL IN
THREAD QUANTITY PER INCH20
WIDTH BETWEEN FLATS0.439 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FEATURES PROVIDEDUNFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
688-2037Interchangeable
interchangeable cross-reference
interchangeable
91422Interchangeable
interchangeable cross-reference
interchangeable
205MFM1Interchangeable
interchangeable cross-reference
interchangeable
1033-2Interchangeable
interchangeable cross-reference
interchangeable
A3194223-002Interchangeable
interchangeable cross-reference
interchangeable
MPS7250-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125X1059?
125X1059 is a BOLT,MACHINE.
What parts can replace 125X1059?
There are 8 known substitutes for 125X1059: 688-2037, 91422, 205MFM1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 125X1059?
125X1059 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-637-9790. 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