PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42081Screw,cap,hexagon Head

Barnes Group Inc. Dba Barnes Distribution · NSN 5305-01-237-5063 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-237-5063 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-237-5063. Primary manufacturer part number: 42081.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • External Thread Tolerance Class: 6G G
  • Thread Length: 32.0 MILLIMETERS MINIMUM AND 35.0 MILLIMETERS MAXIMUM MM
  • Nominal Thread Diameter: 10.0 MILLIMETERS MM
  • Thread Series Designator: M
  • Head Style: HEXAGON
  • Fastener Length: 35.00 MILLIMETERS NOMINAL MM
  • Width Between Flats: 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Property Class 8.8 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-237-5063, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5305-01-237-5063
Primary Part Number42081
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
External Thread Tolerance Class6G G
Thread Length32.0 MILLIMETERS MINIMUM AND 35.0 MILLIMETERS MAXIMUM MM
Nominal Thread Diameter10.0 MILLIMETERS MM
Thread Series DesignatorM
Head StyleHEXAGON
Fastener Length35.00 MILLIMETERS NOMINAL MM
Width Between Flats15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM
Head Height6.17 MILLIMETERS MINIMUM AND 6.63 MILLIMETERS MAXIMUM MM
Thread DirectionRIGHT-HAND
MaterialSTEEL PROPERTY CLASS 8.8 OVERALL
Thread Pitch in Millimeters1.5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-232-3555230611-000 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5310-00-262-29133109202 INTERCHANGEABLE
Washer,flat
Chrysler Corp Engine and Components Sales Diversified Products Div
4820-01-137-8037N42081 INTERCHANGEABLE
Half Ring,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
1680-01-206-793842081 INTERCHANGEABLE
End Cap,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6515-01-406-0496420.81 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
42081 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
42081 Kalmar Equipment (australia) Pty Ltd (AUS)
3820988 Cummins Inc. (USA)
Related Parts
5950-00-232-3555INTERCHANGEABLE
REACTOR
230611-000
5310-00-262-2913INTERCHANGEABLE
WASHER,FLAT
3109202
4820-01-137-8037INTERCHANGEABLE
HALF RING,VALVE
N42081
1680-01-206-7938INTERCHANGEABLE
END CAP,VALVE
42081
6515-01-406-0496INTERCHANGEABLE
BONE PLATE
420.81

Frequently Asked Questions

What is NSN 5305-01-237-5063?

NSN 5305-01-237-5063 is a Screw,cap,hexagon Head, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-237-5063?

NSN 5305-01-237-5063 has 3 cross-referenced part numbers: 42081 (Barnes Group Inc. Dba Barnes Distribution), 42081 (Kalmar Equipment (australia) Pty Ltd), 3820988 (Cummins Inc.).

What NSN replaces 5305-01-237-5063?

There are 5 known substitutes for 5305-01-237-5063: 5950-00-232-3555, 5310-00-262-2913, 4820-01-137-8037 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42081?

Key specifications for 42081: External Thread Tolerance Class: 6G G; Thread Length: 32.0 MILLIMETERS MINIMUM AND 35.0 MILLIMETERS MAXIMUM MM; Nominal Thread Diameter: 10.0 MILLIMETERS MM; Thread Series Designator: M. 12 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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