PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1236-1-6Insert,screw Thread

Kelox Industries · NSN 5325-00-840-3894 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-840-3894 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-840-3894. Primary manufacturer part number: 1236-1-6.
Features
  • Insert,screw Thread — FSC 5325
  • Material: STEEL OVERALL
  • Top Portion Unthreaded Outside Length: 0.045 INCHES NOMINAL IN
  • Thread Class: 3B
  • Thread Series Designator: UNF
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: KEYLOCK
  • Internal Thread Relief Depth: 0.078 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-00-840-3894, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kelox Industries. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-840-3894
Primary Part Number1236-1-6
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerKelox Industries
StatusACTIVE
MaterialSTEEL OVERALL
Top Portion Unthreaded Outside Length0.045 INCHES NOMINAL IN
Thread Class3B
Thread Series DesignatorUNF
Surface TreatmentCADMIUM OVERALL
Style DesignatorKEYLOCK
Internal Thread Relief Depth0.078 INCHES NOMINAL IN
Thread Quantity Per Inch32
Top Unthreaded Portion Outside Diameter0.138 INCHES NOMINAL IN
Nominal Thread Size0.190 INCHES IN
Insert Size0.375-16 NC 3A A
Width Across Flats0.375 INCHES NOMINAL IN
Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-015-2245 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1236-1-6 Kelox Industries (USA)
1236-1-6 Stanley Engineered Fastening Llc (USA)
Related Parts
5961-01-015-2245INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5325-00-840-3894?

NSN 5325-00-840-3894 is a Insert,screw Thread, manufactured by Kelox Industries, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-840-3894?

NSN 5325-00-840-3894 has 2 cross-referenced part numbers: 1236-1-6 (Kelox Industries), 1236-1-6 (Stanley Engineered Fastening Llc).

What NSN replaces 5325-00-840-3894?

There is 1 known substitute for 5325-00-840-3894: 5961-01-015-2245. Verify interchangeability with system specifications before substitution.

What are the specifications of 1236-1-6?

Key specifications for 1236-1-6: Material: STEEL OVERALL; Top Portion Unthreaded Outside Length: 0.045 INCHES NOMINAL IN; Thread Class: 3B; Thread Series Designator: UNF. 13 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