PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50-398-88Screw,machine

Kurz & Root Generator Company, Llc · NSN 5305-00-226-9267 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-226-9267 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-226-9267. Primary manufacturer part number: 50-398-88.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: SLOT
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Screw Surface Treatment: CADMIUM OR ZINC
  • Nondefinitive Spec/std Data: 1 TYPE AND 1S STYLE
  • Screw Material Document and Classification: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
  • Head Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-226-9267, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kurz & Root Generator Company, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-226-9267
Primary Part Number50-398-88
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKurz & Root Generator Company, Llc
StatusACTIVE
Internal Drive StyleSLOT
Fastener Length1.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Screw Surface TreatmentCADMIUM OR ZINC
Nondefinitive Spec/std Data1 TYPE AND 1S STYLE
Screw Material Document and ClassificationQQ-S-633 FED SPEC ALL MATERIAL RESPONSES
Head StyleROUND
Nominal Thread Diameter0.190 INCHES IN
Thread Length1.000 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Thread Quantity Per Inch24
Head Height0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Head Diameter0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-068-0500015587T INTERCHANGEABLE
Screw,cap,hexagon Head
Kovatch Corp.
5910-00-135-8560WR70J4473 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Arizona Capacitors, Inc
5305-01-161-0077132848 INTERCHANGEABLE
Screw,shoulder
Whirlpool Corp Dba Whirlpool Corp
3040-01-201-616633-203-443 INTERCHANGEABLE
Differential Gear Unit
Thomson Micron, Llc
5330-01-267-286510-2737-1027 INTERCHANGEABLE
Gasket
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
JHP13-316 Hollingsworth John R Co (USA)
FFS92TYPE1STYLE1S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
132848 General Motors Llc Dba General Motors Llc (USA)
50-398-88 PRIMARY Kurz & Root Generator Company, Llc (USA)
132848 General Motors Corp (USA)
5148301 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4813-518 Macleod Inc (USA)
Related Parts
5305-00-068-0500INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
015587T
5910-00-135-8560INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
WR70J4473
5305-01-161-0077INTERCHANGEABLE
SCREW,SHOULDER
132848
3040-01-201-6166INTERCHANGEABLE
DIFFERENTIAL GEAR UNIT
33-203-443
5330-01-267-2865INTERCHANGEABLE
GASKET
10-2737-1027

Frequently Asked Questions

What is NSN 5305-00-226-9267?

NSN 5305-00-226-9267 is a Screw,machine, manufactured by Kurz & Root Generator Company, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-226-9267?

NSN 5305-00-226-9267 has 7 cross-referenced part numbers: JHP13-316 (Hollingsworth John R Co), FFS92TYPE1STYLE1S (Federal Specifications Promulgated by General Services Administration Washington DC), 132848 (General Motors Llc Dba General Motors Llc), 50-398-88 (Kurz & Root Generator Company, Llc), 132848 (General Motors Corp) and 2 more.

What NSN replaces 5305-00-226-9267?

There are 5 known substitutes for 5305-00-226-9267: 5305-00-068-0500, 5910-00-135-8560, 5305-01-161-0077 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50-398-88?

Key specifications for 50-398-88: Internal Drive Style: SLOT; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Screw Surface Treatment: CADMIUM OR ZINC. 15 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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