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20Z1775D1 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20Z1775D1: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-362-2105, 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
20Z1775D1
NSN: 5305-01-362-2105
FSC: 5305 — Screws
CAGE: 27315 — MORRIS MATERIAL HANDLING, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES NOMINAL IN
fastener_length1.000 INCHES NOMINAL IN
locking_featureLOCKING TEETH BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentCADMIUM OVERALL
nominal_thread_diameter0.375 INCHES IN
extended_washer_diameter0.771 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN
NSN5305-01-362-2105
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20Z1775D1 · 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
•
EXTENDED WASHER THICKNESS: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.771 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
HEAD HEIGHT0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.771 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FEATURES PROVIDEDCASEHARDENED
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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 1
32WLFS3816 X 1.00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 20Z1775D1?
20Z1775D1 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 20Z1775D1?
There is 1 known substitute for 20Z1775D1: 32WLFS3816 X 1.00. Substitute compatibility should be verified for your specific system.
What is the NSN for 20Z1775D1?
20Z1775D1 is cataloged in the U.S. Government catalog under NSN 5305-01-362-2105. 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.