PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12Z46PC7Screw,cap,hexagon Head

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5305-00-226-9885 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-226-9885 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-226-9885. Primary manufacturer part number: 12Z46PC7.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Head Style: HEXAGON
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Departure From Cited Designator: AS MODIFIED BY SURFACE TREATMENT
  • Nondefinitive Spec/std Data: 1 TYPE AND 5 GRADE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: SAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-226-9885, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-226-9885
Primary Part Number12Z46PC7
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Head StyleHEXAGON
Nominal Thread Diameter0.250 INCHES IN
Fastener Length2.000 INCHES NOMINAL IN
Departure From Cited DesignatorAS MODIFIED BY SURFACE TREATMENT
Nondefinitive Spec/std Data1 TYPE AND 5 GRADE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and ClassificationSAE J429 GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCHROMATE ZINC OVERALL
Hardness Rating23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Minimum Yield Strength92000 POUNDS PER SQUARE INCH LBS
Width Between Flats0.425 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Minimum Tensile Strength120000 POUNDS PER SQUARE INCH LBS
Features ProvidedFINISHED HEAD
Thread Class2A A
Thread Length0.750 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-023-109612001 INTERCHANGEABLE
Transformer,power
Drs Signal Solutions, Inc.
3120-00-293-53164B19MS8-010 INTERCHANGEABLE
Bearing,sleeve
The Boeing Company Div Legacy Am&m
2940-00-360-395312001-1 INTERCHANGEABLE
Filter Element,fluid
Brinkley Technology Group Llc Dba Hercules Manufacturing
1670-00-433-150912001-1 INTERCHANGEABLE
Arm Assy,release
Breeze-Eastern Llc
5340-00-438-168910224922 INTERCHANGEABLE
Standoff,threaded,spacing
Us Army Aviation and Missile Command
3120-01-208-7621120011 INTERCHANGEABLE
Bearing,plain,spherical
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
6150-01-448-3417 INTERCHANGEABLE
Cable and Conduit Assembly,elect
5310-01-488-4886120011 INTERCHANGEABLE
Washer,seal
Indeco North America Inc
Cross-Reference Index
Part NumberManufacturer
12Z46PC7 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
43B21150-60 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MIL-DTL-1222 TY I GR 5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-1222 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M1222RN4C232GFNZM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1200-11 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
Related Parts
5950-00-023-1096INTERCHANGEABLE
TRANSFORMER,POWER
12001
3120-00-293-5316INTERCHANGEABLE
BEARING,SLEEVE
4B19MS8-010
2940-00-360-3953INTERCHANGEABLE
FILTER ELEMENT,FLUID
12001-1
1670-00-433-1509INTERCHANGEABLE
ARM ASSY,RELEASE
12001-1
5340-00-438-1689INTERCHANGEABLE
STANDOFF,THREADED,SPACING
10224922
3120-01-208-7621INTERCHANGEABLE
BEARING,PLAIN,SPHERICAL
120011
6150-01-448-3417INTERCHANGEABLE
CABLE AND CONDUIT ASSEMBLY,ELECT
5310-01-488-4886INTERCHANGEABLE
WASHER,SEAL
120011

Frequently Asked Questions

What is NSN 5305-00-226-9885?

NSN 5305-00-226-9885 is a Screw,cap,hexagon Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-226-9885?

NSN 5305-00-226-9885 has 6 cross-referenced part numbers: 12Z46PC7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43B21150-60 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MIL-DTL-1222 TY I GR 5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-1222 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M1222RN4C232GFNZM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5305-00-226-9885?

There are 8 known substitutes for 5305-00-226-9885: 5950-00-023-1096, 3120-00-293-5316, 2940-00-360-3953 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12Z46PC7?

Key specifications for 12Z46PC7: Head Style: HEXAGON; Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 2.000 INCHES NOMINAL IN; Departure From Cited Designator: AS MODIFIED BY SURFACE TREATMENT. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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