PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-40X1-4Screw,tapping

Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div · NSN 5305-00-885-7075 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-885-7075 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-885-7075. Primary manufacturer part number: 4-40X1-4.
Features
  • Screw,tapping — FSC 5305
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA)
  • Head Style: HEXAGON
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Width Between Flats: 0.184 INCHES NOMINAL IN
  • Nonmachine Nominal Thread Diameter: 0.112 INCHES IN
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 5305-00-885-7075, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5305-00-885-7075
Primary Part Number4-40X1-4
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUsm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div
StatusACTIVE
Fastener Length0.250 INCHES NOMINAL IN
Nonmachine Thread StyleGIMLET POINT (TYPE A, AB OR BA)
Head StyleHEXAGON
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Width Between Flats0.184 INCHES NOMINAL IN
Nonmachine Nominal Thread Diameter0.112 INCHES IN
Head Height0.055 INCHES NOMINAL IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-116-41018734676-1 INTERCHANGEABLE
Screw,machine
Nyf/new York Fasteners/corp
5305-00-151-3576 INTERCHANGEABLE
Screw,machine
5305-00-811-57034-40X1-4 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
5305-00-833-8624 INTERCHANGEABLE
Screw,machine
5305-01-264-7685 INTERCHANGEABLE
Screw,special
5305-01-331-0030H21-0001-004 INTERCHANGEABLE
Screw,machine
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Cross-Reference Index
Part NumberManufacturer
4-40X1-4 Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div (USA)
4-40X1-4TYPE S Apm Hexseal Corp (USA)
Related Parts
5305-00-116-4101INTERCHANGEABLE
SCREW,MACHINE
8734676-1
5305-00-151-3576INTERCHANGEABLE
SCREW,MACHINE
5305-00-811-5703INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4-40X1-4
5305-00-833-8624INTERCHANGEABLE
SCREW,MACHINE
5305-01-264-7685INTERCHANGEABLE
SCREW,SPECIAL
5305-01-331-0030INTERCHANGEABLE
SCREW,MACHINE
H21-0001-004

Frequently Asked Questions

What is NSN 5305-00-885-7075?

NSN 5305-00-885-7075 is a Screw,tapping, manufactured by Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-885-7075?

NSN 5305-00-885-7075 has 2 cross-referenced part numbers: 4-40X1-4 (Usm Corp Sub of Emhart Industries Inc Parker-Kalon Fastener Div), 4-40X1-4TYPE S (Apm Hexseal Corp).

What NSN replaces 5305-00-885-7075?

There are 6 known substitutes for 5305-00-885-7075: 5305-00-116-4101, 5305-00-151-3576, 5305-00-811-5703 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-40X1-4?

Key specifications for 4-40X1-4: Fastener Length: 0.250 INCHES NOMINAL IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA); Head Style: HEXAGON; Material: STEEL OVERALL. 9 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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