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8070520G — SCREW,ASSEMBLED WASHER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8070520G: SCREW,ASSEMBLED WASHER.

The SCREW,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL, head_style: HEXAGON, head_height: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.077 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN, fastener_length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-042-3564, 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
8070520G
NSN: 5305-00-042-3564
FSC: 5305 — Screws
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1050 OVERALL
head_styleHEXAGON
head_height0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
thread_class2A A
thread_length1.077 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
fastener_length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
internal_drive_styleSLOT
primary_washer_styleFLAT EXTERNAL TEETH
NSN5305-00-042-3564
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8070520G · 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: 0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.188 INCHES MINIMUM AND 1.250 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
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.077 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.208 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
FASTENER LENGTH1.188 INCHES MINIMUM AND 1.250 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 DIAMETER0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
THREAD LENGTH1.077 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
423564Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 8070520G?
8070520G is a SCREW,ASSEMBLED WASHER.
What parts can replace 8070520G?
There is 1 known substitute for 8070520G: 423564. Substitute compatibility should be verified for your specific system.
What is the NSN for 8070520G?
8070520G is cataloged in the U.S. Government catalog under NSN 5305-00-042-3564. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.