PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

429108Screw,machine

General Motors Corp · NSN 5305-00-042-9108 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-9108 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-9108. Primary manufacturer part number: 429108.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: CADMIUM OR ZINC
  • Head Style: ROUND
  • Thread Quantity Per Inch: 13
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Thread Length: 1.000 INCHES MAXIMUM IN
  • Screw Material Document and Classification: QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-631 FED SPEC ALL MATERIAL RESPONSES
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-042-9108, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-042-9108
Primary Part Number429108
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Screw Surface TreatmentCADMIUM OR ZINC
Head StyleROUND
Thread Quantity Per Inch13
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length1.000 INCHES NOMINAL IN
Thread Length1.000 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-634 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-631 FED SPEC ALL MATERIAL RESPONSES
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Head Diameter0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Nondefinitive Spec/std Data1S STYLE AND 1 TYPE
Thread Class2A A
Head Height0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2810-00-049-0018429108 INTERCHANGEABLE
Cover
Curtiss-Wright Controls, Inc. Div Actuation Division
4820-01-283-4879429108 INTERCHANGEABLE
Parts Kit,valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
429108 General Motors Corp (USA)
429108 General Motors Llc Dba General Motors Llc (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
429108 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
2810-00-049-0018INTERCHANGEABLE
COVER
429108
4820-01-283-4879INTERCHANGEABLE
PARTS KIT,VALVE
429108

Frequently Asked Questions

What is NSN 5305-00-042-9108?

NSN 5305-00-042-9108 is a Screw,machine, manufactured by General Motors Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-042-9108?

NSN 5305-00-042-9108 has 4 cross-referenced part numbers: 429108 (General Motors Corp), 429108 (General Motors Llc Dba General Motors Llc), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), 429108 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5305-00-042-9108?

There are 2 known substitutes for 5305-00-042-9108: 2810-00-049-0018, 4820-01-283-4879. Verify interchangeability with system specifications before substitution.

What are the specifications of 429108?

Key specifications for 429108: Screw Surface Treatment: CADMIUM OR ZINC; Head Style: ROUND; Thread Quantity Per Inch: 13; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 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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