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423570 — TRANSFORMER,CURRENT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

423570: TRANSFORMER,CURRENT.

The TRANSFORMER,CURRENT is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 8.8 OVERALL, head_style: HEXAGON, head_height: 7.0 MILLIMETERS NOMINAL MM, thread_class: 2A A, thread_length: 67.0 MILLIMETERS MINIMUM AND 70.0 MILLIMETERS MAXIMUM MM, fastener_length: 70.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-042-3570, 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
423570
NSN: 5305-00-042-3570
NIINs: 000423570, 007706806, 012744469, 013242057
FSC: 5305 — Screws
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 8.8 OVERALL
head_styleHEXAGON
head_height7.0 MILLIMETERS NOMINAL MM
thread_class2A A
thread_length67.0 MILLIMETERS MINIMUM AND 70.0 MILLIMETERS MAXIMUM MM
fastener_length70.0 MILLIMETERS NOMINAL MM
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
washer_quantity1
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC AND DICHROMATE OVERALL
width_between_flats17.0 MILLIMETERS NOMINAL MM
NSN5305-00-042-3570
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 423570 · 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
•
HEAD HEIGHT: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
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FASTENER LENGTH: 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
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PRIMARY WASHER OUTSIDE DIAMETER: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
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THREAD LENGTH: 0.719 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
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NOMINAL THREAD DIAMETER: 0.375 INCHES IN
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HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
FASTENER LENGTH0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
PRIMARY WASHER OUTSIDE DIAMETER0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
THREAD LENGTH0.719 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
5305000423570Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 423570?
423570 is a TRANSFORMER,CURRENT.
What parts can replace 423570?
There is 1 known substitute for 423570: 5305000423570. Substitute compatibility should be verified for your specific system.
What is the NSN for 423570?
423570 is cataloged in the U.S. Government catalog under NSN 5305-00-042-3570. This indicates validated use in U.S. government and defense supply chains.
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