PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3975-1Bushing,machine Thread

Howell Laboratories Inc Dba Howell Laboratories Inc · NSN 5365-01-136-5819 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-136-5819 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-136-5819. Primary manufacturer part number: 3975-1.
Features
  • Bushing,machine Thread — FSC 5365
  • Hole Inside Diameter: 0.385 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
  • Thread Series Designator: UNF
  • Thread Quantity Per Inch: 20
  • Thickness: 0.159 INCHES NOMINAL IN
  • Material Document and Classification: AISI 302, 303 OR 304 ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 construction
General Description

The Bushing,machine Thread, cataloged under National Stock Number 5365-01-136-5819, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-136-5819
Primary Part Number3975-1
Item NameBushing,machine Thread
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHowell Laboratories Inc Dba Howell Laboratories Inc
StatusACTIVE
Hole Inside Diameter0.385 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
Thread Series DesignatorUNF
Thread Quantity Per Inch20
Thickness0.159 INCHES NOMINAL IN
Material Document and ClassificationAISI 302, 303 OR 304 ASSN STD SINGLE MATERIAL RESPONSE
Wrenching Facility ShapeHEXAGON
Screw Thread Length0.315 INCHES NOMINAL IN
Nominal Thread Size0.500 INCHES IN
Width Across Flats0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6625-00-539-9868 INTERCHANGEABLE
Meter,arbitrary Scale
5850-01-462-29481805746-1 INTERCHANGEABLE
Lens,light
Northrop Grumman Systems Corporation
5310-01-560-465539751 INTERCHANGEABLE
Washer,flat
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
3975-1 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
134255 Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems (USA)
Related Parts
6625-00-539-9868INTERCHANGEABLE
METER,ARBITRARY SCALE
5850-01-462-2948INTERCHANGEABLE
LENS,LIGHT
1805746-1
5310-01-560-4655INTERCHANGEABLE
WASHER,FLAT
39751

Frequently Asked Questions

What is NSN 5365-01-136-5819?

NSN 5365-01-136-5819 is a Bushing,machine Thread, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-136-5819?

NSN 5365-01-136-5819 has 2 cross-referenced part numbers: 3975-1 (Howell Laboratories Inc Dba Howell Laboratories Inc), 134255 (Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems).

What NSN replaces 5365-01-136-5819?

There are 3 known substitutes for 5365-01-136-5819: 6625-00-539-9868, 5850-01-462-2948, 5310-01-560-4655. Verify interchangeability with system specifications before substitution.

What are the specifications of 3975-1?

Key specifications for 3975-1: Hole Inside Diameter: 0.385 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304; Thread Series Designator: UNF. 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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