PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4-4446
4-4446 ✓ 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

WRENCH,BOX AND OPEN END,COMBINAT. Key specifications include special_features: NVIS GREEN, end_item_identification: EA-6B;FILTER, OPTICAL, NVIS GREEN B, viewing_surface_overall_diameter: 0.934 INCHES NOMINAL IN, viewing_surface_overall_thickness: 0.095 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: INAVY-OPTICAL FILTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-421-5029, 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
4-4446
NSN: 5325-00-421-5029
FSC: 5325
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
special_featuresNVIS GREEN
end_item_identificationEA-6B;FILTER, OPTICAL, NVIS GREEN B
viewing_surface_overall_diameter0.934 INCHES NOMINAL IN
viewing_surface_overall_thickness0.095 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyINAVY-OPTICAL FILTER
NSN5325-00-421-5029
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4-4446 · 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
•
USAGE DESIGN: EXTERNAL
•
OUTSIDE DIAMETER: 9.000 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
USAGE DESIGNEXTERNAL
OUTSIDE DIAMETER9.000 INCHES NOMINAL IN
MAJOR THICKNESS0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
7402155Interchangeable
interchangeable cross-reference
interchangeable
4-4446Interchangeable
interchangeable cross-reference
interchangeable
44466Interchangeable
interchangeable cross-reference
interchangeable
9-44446Interchangeable
interchangeable cross-reference
interchangeable
AS955 TY1CL1STCInterchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-4446?
4-4446 is a WRENCH,BOX AND OPEN END,COMBINAT.
What parts can replace 4-4446?
There are 12 known substitutes for 4-4446: 7402155, 4-4446, 44466 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-4446?
4-4446 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-421-5029. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026