PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G42-5Screw,externally Relieved Body

Hoffman Engineering, Llc Dba Hoffman Engineering Llc · NSN 5305-01-087-3179 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-087-3179 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-087-3179. Primary manufacturer part number: G42-5.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Head Style: PAN
  • Fastener Length: 0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Length: 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
  • Externally Relieved Body Diameter Quantity: 1
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-087-3179, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hoffman Engineering, Llc Dba Hoffman Engineering Llc. Government technical data includes 16 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
NSN5305-01-087-3179
Primary Part NumberG42-5
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHoffman Engineering, Llc Dba Hoffman Engineering Llc
StatusACTIVE
Head StylePAN
Fastener Length0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Length0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Externally Relieved Body Diameter Quantity1
Thread Class2A A
Distance From Largest Bearing Surface of Head to End of First Diameter0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Head Diameter0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Thread Quantity Per Inch32
Head Height0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
First Diameter From Head0.084 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-841-286010282242 INTERCHANGEABLE
Screw,shoulder
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
G42-5 PRIMARY Hoffman Engineering, Llc Dba Hoffman Engineering Llc (USA)
Related Parts
5305-00-841-2860INTERCHANGEABLE
SCREW,SHOULDER
10282242

Frequently Asked Questions

What is NSN 5305-01-087-3179?

NSN 5305-01-087-3179 is a Screw,externally Relieved Body, manufactured by Hoffman Engineering, Llc Dba Hoffman Engineering Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-087-3179?

NSN 5305-01-087-3179 has 1 cross-referenced part number: G42-5 (Hoffman Engineering, Llc Dba Hoffman Engineering Llc).

What NSN replaces 5305-01-087-3179?

There is 1 known substitute for 5305-01-087-3179: 5305-00-841-2860. Verify interchangeability with system specifications before substitution.

What are the specifications of G42-5?

Key specifications for G42-5: Head Style: PAN; Fastener Length: 0.535 INCHES MINIMUM AND 0.555 INCHES MAXIMUM IN; Surface Treatment: PASSIVATE OVERALL; Material: STEEL CORROSION RESISTING OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

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