PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

850237Screw,machine

General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · NSN 5305-00-864-6642 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-864-6642 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-864-6642. Primary manufacturer part number: 850237.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Thread Length: 0.150 INCHES MINIMUM IN
  • Screw Material: STEEL COMP 303
  • Head Diameter: 0.138 INCHES NOMINAL IN
  • Head Style: FLAT COUNTERSUNK
  • Screw Surface Treatment: PASSIVATE
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-864-6642, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-864-6642
Primary Part Number850237
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
StatusACTIVE
Internal Drive StyleSLOT
Thread Length0.150 INCHES MINIMUM IN
Screw MaterialSTEEL COMP 303
Head Diameter0.138 INCHES NOMINAL IN
Head StyleFLAT COUNTERSUNK
Screw Surface TreatmentPASSIVATE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Countersink Angle82.0 DEGREES NOMINAL
Thread Class2A A
Nominal Thread Diameter0.073 INCHES IN
Thread Quantity Per Inch64
Screw Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE
Fastener Length0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4710-00-203-0254AMS5075-2.000X0.049 INTERCHANGEABLE
Tube,metallic
Sae International Dba Sae International
5325-00-410-469022049 INTERCHANGEABLE
Ring,retaining
Industrial Technologies and Services Llc
5950-00-475-9902 INTERCHANGEABLE
Transformer,audio Frequency
5950-00-711-269210395412-003 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
5340-00-909-121022049 INTERCHANGEABLE
Seat,helical Compression Spring
United Technologies Corp Hamilton Sundstrand Corp
6615-00-996-1342 INTERCHANGEABLE
Mount,gyroscope
5315-01-565-005422049 INTERCHANGEABLE
Pin,retaining
Neuhaus Lp
Cross-Reference Index
Part NumberManufacturer
22049 Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions (DEU)
850237 PRIMARY General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
Related Parts
4710-00-203-0254INTERCHANGEABLE
TUBE,METALLIC
AMS5075-2.000X0.049
5325-00-410-4690INTERCHANGEABLE
RING,RETAINING
22049
5950-00-475-9902INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5950-00-711-2692INTERCHANGEABLE
COIL,RADIO FREQUENCY
10395412-003
5340-00-909-1210INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
22049
6615-00-996-1342INTERCHANGEABLE
MOUNT,GYROSCOPE
5315-01-565-0054INTERCHANGEABLE
PIN,RETAINING
22049

Frequently Asked Questions

What is NSN 5305-00-864-6642?

NSN 5305-00-864-6642 is a Screw,machine, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-864-6642?

NSN 5305-00-864-6642 has 2 cross-referenced part numbers: 22049 (Rockwell Collins Deutschland Gmbh Div Rockwell Collins International & Service Solutions), 850237 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).

What NSN replaces 5305-00-864-6642?

There are 7 known substitutes for 5305-00-864-6642: 4710-00-203-0254, 5325-00-410-4690, 5950-00-475-9902 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 850237?

Key specifications for 850237: Internal Drive Style: SLOT; Thread Length: 0.150 INCHES MINIMUM IN; Screw Material: STEEL COMP 303; Head Diameter: 0.138 INCHES NOMINAL IN. 14 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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