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20Z1770D6 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20Z1770D6: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, fastener_length: 0.375 INCHES MINIMUM IN, features_provided: CASEHARDENED.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-174-8215, 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
20Z1770D6
NSN: 5305-01-174-8215
FSC: 5305 — Screws
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN NO. 2
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
fastener_length0.375 INCHES MINIMUM IN
features_providedCASEHARDENED
surface_treatmentCADMIUM OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter0.164 INCHES IN
NSN5305-01-174-8215
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20Z1770D6 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.375 INCHES MINIMUM IN
•
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
•
FEATURES PROVIDED: CASEHARDENED
•
HEAD STYLE: PAN NO. 2
•
SURFACE TREATMENT: CADMIUM OVERALL
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES MINIMUM IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEPAN NO. 2
SURFACE TREATMENTCADMIUM OVERALL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20Z1770D6?
20Z1770D6 is a SCREW,TAPPING.
What is the NSN for 20Z1770D6?
20Z1770D6 is cataloged in the U.S. Government catalog under NSN 5305-01-174-8215. 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.