PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50221Screw,machine

Am General Llc · NSN 5305-00-290-2702 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-290-2702 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-290-2702. Primary manufacturer part number: 50221.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNF
  • Head Style: ROUND
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Head Diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Screw Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
  • Nominal Thread Diameter: 0.190 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-290-2702, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Am General Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-290-2702
Primary Part Number50221
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAm General Llc
StatusCANCELLED
Thread Series DesignatorUNF
Head StyleROUND
Fastener Length2.000 INCHES NOMINAL IN
Head Diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Screw Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.190 INCHES IN
Nondefinitive Spec/std Data1 TYPE AND 1S STYLE
Head Height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Thread Length2.000 INCHES MINIMUM IN
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Screw MaterialSTEEL
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-179-0966 INTERCHANGEABLE
Seal,plain Encased
1650-00-288-6908 INTERCHANGEABLE
Filter,fluid
5330-00-399-70189857 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5950-00-417-4509989110-36B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5340-00-498-32805022-1 INTERCHANGEABLE
Shield,expansion
Illinois Tool Works Inc
5330-00-924-389510120882 INTERCHANGEABLE
Gasket
Us Army Aviation and Missile Command
5330-00-937-410650221 INTERCHANGEABLE
Retainer,packing
Parker Hannifin Corporation Div Hydraulic Systems Division
3030-00-984-44363V900-3 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
4220-01-084-9082100-774 INTERCHANGEABLE
Oxygen Indicator,breathing Appar
Mission Systems Orchard Park Inc
7510-01-092-2206 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Cross-Reference Index
Part NumberManufacturer
100774 General Motors Corp (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
50221 PRIMARY Am General Llc (USA)
100774 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5330-00-179-0966INTERCHANGEABLE
SEAL,PLAIN ENCASED
1650-00-288-6908INTERCHANGEABLE
FILTER,FLUID
5330-00-399-7018INTERCHANGEABLE
GASKET
9857
5950-00-417-4509INTERCHANGEABLE
COIL,RADIO FREQUENCY
989110-36B
5340-00-498-3280INTERCHANGEABLE
SHIELD,EXPANSION
5022-1
5330-00-924-3895INTERCHANGEABLE
GASKET
10120882
5330-00-937-4106INTERCHANGEABLE
RETAINER,PACKING
50221
3030-00-984-4436INTERCHANGEABLE
BELTS,V,MATCHED SET
3V900-3
4220-01-084-9082INTERCHANGEABLE
OXYGEN INDICATOR,BREATHING APPAR
100-774
7510-01-092-2206INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
5995-01-255-8928INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
50-22-1
6625-01-356-4421INTERCHANGEABLE
TIP,TEST PROD
IP541A

Frequently Asked Questions

What is NSN 5305-00-290-2702?

NSN 5305-00-290-2702 is a Screw,machine, manufactured by Am General Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-290-2702?

NSN 5305-00-290-2702 has 4 cross-referenced part numbers: 100774 (General Motors Corp), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), 50221 (Am General Llc), 100774 (General Motors Llc Dba General Motors Llc).

What NSN replaces 5305-00-290-2702?

There are 12 known substitutes for 5305-00-290-2702: 5330-00-179-0966, 1650-00-288-6908, 5330-00-399-7018 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50221?

Key specifications for 50221: Thread Series Designator: UNF; Head Style: ROUND; Fastener Length: 2.000 INCHES NOMINAL IN; Head Diameter: 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-290-2702 still in active supply?

NSN 5305-00-290-2702 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com