PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31884Screw,tapping

Barnes Group Inc. Dba Barnes Distribution · NSN 5305-01-145-7070 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-145-7070 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-145-7070. Primary manufacturer part number: 31884.
Features
  • Screw,tapping — FSC 5305
  • Internal Drive Style: SLOT
  • Extended Washer Diameter: 0.678 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.312 INCHES IN
  • Width Between Flats: 0.500 INCHES NOMINAL IN
  • Head Height: 0.266 INCHES NOMINAL IN
  • Surface Treatment: CHROMATE OVERALL
  • Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-01-145-7070, 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 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-145-7070
Primary Part Number31884
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
Internal Drive StyleSLOT
Extended Washer Diameter0.678 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.312 INCHES IN
Width Between Flats0.500 INCHES NOMINAL IN
Head Height0.266 INCHES NOMINAL IN
Surface TreatmentCHROMATE OVERALL
Nonmachine Thread StyleGIMLET POINT (TYPE A, AB OR BA)
MaterialSTEEL OVERALL
Fastener Length1.000 INCHES NOMINAL IN
Extended Washer Thickness0.053 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Head StyleHEXAGON EXTENDED WASHER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5940-00-197-061931884 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3040-00-732-080131884 INTERCHANGEABLE
Lever,remote Control
Pdi Ground Support Systems, Inc.
5331-01-200-0462F37030266 INTERCHANGEABLE
O-Ring
Funk Mfg Co Sub of Deere and Co
5330-01-306-462631884 INTERCHANGEABLE
Packing,preformed
Funk Mfg Co Sub of Deere and Co
5998-01-340-2657 INTERCHANGEABLE
Circuit Card Assembly
5995-01-728-7759241490 INTERCHANGEABLE
Cord Assembly,electrical
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
31884 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5940-00-197-0619INTERCHANGEABLE
TERMINAL,LUG
31884
3040-00-732-0801INTERCHANGEABLE
LEVER,REMOTE CONTROL
31884
5331-01-200-0462INTERCHANGEABLE
O-RING
F37030266
5330-01-306-4626INTERCHANGEABLE
PACKING,PREFORMED
31884
5998-01-340-2657INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5995-01-728-7759INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
241490

Frequently Asked Questions

What is NSN 5305-01-145-7070?

NSN 5305-01-145-7070 is a Screw,tapping, 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 5305-01-145-7070?

NSN 5305-01-145-7070 has 1 cross-referenced part number: 31884 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5305-01-145-7070?

There are 6 known substitutes for 5305-01-145-7070: 5940-00-197-0619, 3040-00-732-0801, 5331-01-200-0462 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31884?

Key specifications for 31884: Internal Drive Style: SLOT; Extended Washer Diameter: 0.678 INCHES NOMINAL IN; Nonmachine Nominal Thread Diameter: 0.312 INCHES IN; Width Between Flats: 0.500 INCHES NOMINAL IN. 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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