PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G42-7Screw,shoulder

Designatronics Incorporated Div Sterling Instruments Div · NSN 5305-00-412-9975 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-412-9975 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-412-9975. Primary manufacturer part number: G42-7.
Features
  • Screw,shoulder — FSC 5305
  • Shoulder Length: 0.500 INCHES NOMINAL FIRST SHOULDER IN
  • Thread Class: 2A A
  • Thread Length: 0.188 INCHES NOMINAL IN
  • Head Style: FLAT CHAMFER
  • Head Diameter: 0.250 INCHES NOMINAL IN
  • Head Height: 0.312 INCHES NOMINAL IN
  • Fastener Length: 0.688 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-00-412-9975, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-412-9975
Primary Part NumberG42-7
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusACTIVE
Shoulder Length0.500 INCHES NOMINAL FIRST SHOULDER IN
Thread Class2A A
Thread Length0.188 INCHES NOMINAL IN
Head StyleFLAT CHAMFER
Head Diameter0.250 INCHES NOMINAL IN
Head Height0.312 INCHES NOMINAL IN
Fastener Length0.688 INCHES NOMINAL IN
Thread Quantity Per Inch32
Surface TreatmentPASSIVATE OVERALL
Internal Drive StyleSLOT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.164 INCHES IN
Shoulder ShapeROUND FIRST SHOULDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3040-01-368-1313 INTERCHANGEABLE
Shaft,straight
Cross-Reference Index
Part NumberManufacturer
G42-7 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
3040-01-368-1313INTERCHANGEABLE
SHAFT,STRAIGHT

Frequently Asked Questions

What is NSN 5305-00-412-9975?

NSN 5305-00-412-9975 is a Screw,shoulder, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-412-9975?

NSN 5305-00-412-9975 has 1 cross-referenced part number: G42-7 (Designatronics Incorporated Div Sterling Instruments Div).

What NSN replaces 5305-00-412-9975?

There is 1 known substitute for 5305-00-412-9975: 3040-01-368-1313. Verify interchangeability with system specifications before substitution.

What are the specifications of G42-7?

Key specifications for G42-7: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Shoulder Length: 0.500 INCHES NOMINAL FIRST SHOULDER IN; Thread Class: 2A A; Thread Length: 0.188 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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