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Technical Data Sheet
PartsTable / COMPONENT / 851770
851770 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1021 OVERALL, body_width: 1.520 INCHES NOMINAL IN, head_style: FILLISTER, body_height: 1.750 INCHES NOMINAL IN, body_length: 2.310 INCHES NOMINAL IN, head_height: 0.214 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-164-3573, 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
851770
NSN: 5305-00-164-3573
FSC: 5305
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1021 OVERALL
body_width1.520 INCHES NOMINAL IN
head_styleFILLISTER
body_height1.750 INCHES NOMINAL IN
body_length2.310 INCHES NOMINAL IN
head_height0.214 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
point_styleCHAMFER DOG
point_length0.120 INCHES NOMINAL IN
thread_class3A A
head_diameter0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
thread_length1.172 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
NSN5305-00-164-3573
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 851770 · 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
•
POINT LENGTH: 0.120 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.452 INCHES MINIMUM AND 1.466 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.172 INCHES MAXIMUM IN
•
POINT STYLE: CHAMFER DOG
•
HEAD STYLE: FILLISTER
•
POINT DIAMETER: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1021 OVERALL
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
POINT LENGTH0.120 INCHES NOMINAL IN
FASTENER LENGTH1.452 INCHES MINIMUM AND 1.466 INCHES MAXIMUM IN
THREAD LENGTH1.172 INCHES MAXIMUM IN
POINT STYLECHAMFER DOG
HEAD STYLEFILLISTER
POINT DIAMETER0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1021 OVERALL
FEATURES PROVIDEDCASEHARDENED
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10458723Interchangeable
interchangeable cross-reference
interchangeable
69-55718-1Interchangeable
interchangeable cross-reference
interchangeable
3112484Interchangeable
interchangeable cross-reference
interchangeable
58884Interchangeable
interchangeable cross-reference
interchangeable
851770Interchangeable
interchangeable cross-reference
interchangeable
1417Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 851770?
851770 is a TRANSFORMER,POWER.
What parts can replace 851770?
There are 10 known substitutes for 851770: 10458723, 69-55718-1, 3112484 and 7 more. Substitute compatibility should be verified for your specific system.
Is 851770 still available?
851770 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026