PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500 L 166.020Screw,machine

Asc Schubel Electronic Gmbh · NSN 5305-00-019-3257 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-019-3257 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-019-3257. Primary manufacturer part number: 500 L 166.020.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Screw Material Document and Classification: QQ-S-633-CANCELLED FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-409,GRADE 2,3 OR 4 FED SPEC 2ND MATERIAL RESPONSE
  • Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Screw Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
  • Head Style: PAN NO. 2
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-019-3257, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Asc Schubel Electronic Gmbh. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-019-3257
Primary Part Number500 L 166.020
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAsc Schubel Electronic Gmbh
StatusCANCELLED
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw Material Document and ClassificationQQ-S-633-CANCELLED FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-409,GRADE 2,3 OR 4 FED SPEC 2ND MATERIAL RESPONSE
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Fastener Length0.250 INCHES NOMINAL IN
Screw Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
Head StylePAN NO. 2
Screw MaterialSTEEL
Nominal Thread Diameter0.138 INCHES IN
Internal Drive StyleSLOT
Nondefinitive Spec/std Data1 TYPE AND 9S STYLE
Thread Quantity Per Inch32
Head Height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Length0.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5360-00-033-4815193257 INTERCHANGEABLE
Spring,helical,compression
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5305-00-984-4983MS35206-226 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-233-7332193257 INTERCHANGEABLE
Piston,valve
Bosch Rexroth Corporation Div Industrial Hydraulics
Cross-Reference Index
Part NumberManufacturer
500 L 166.020 Asc Schubel Electronic Gmbh (DEU)
FFS92TYPE1STYLE9S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
12Z1131-25 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
193257 Diamond Reo Truck Co (USA)
MS35225-26 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
193257 General Motors Corp (USA)
Related Parts
5360-00-033-4815INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
193257
5305-00-984-4983INTERCHANGEABLE
SCREW,MACHINE
MS35206-226
4820-01-233-7332INTERCHANGEABLE
PISTON,VALVE
193257

Frequently Asked Questions

What is NSN 5305-00-019-3257?

NSN 5305-00-019-3257 is a Screw,machine, manufactured by Asc Schubel Electronic Gmbh, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-019-3257?

NSN 5305-00-019-3257 has 6 cross-referenced part numbers: 500 L 166.020 (Asc Schubel Electronic Gmbh), FFS92TYPE1STYLE9S (Federal Specifications Promulgated by General Services Administration Washington DC), 12Z1131-25 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 193257 (Diamond Reo Truck Co), MS35225-26 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5305-00-019-3257?

There are 3 known substitutes for 5305-00-019-3257: 5360-00-033-4815, 5305-00-984-4983, 4820-01-233-7332. Verify interchangeability with system specifications before substitution.

What are the specifications of 500 L 166.020?

Key specifications for 500 L 166.020: Thread Direction: RIGHT-HAND; Thread Class: 2A A; Screw Material Document and Classification: QQ-S-633-CANCELLED FED SPEC 1ST MATERIAL RESPONSE OR QQ-W-409,GRADE 2,3 OR 4 FED SPEC 2ND MATERIAL RESPONSE; Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-019-3257 still in active supply?

NSN 5305-00-019-3257 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.
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