PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

152Locknut,electrical Conduit

Efcor Inc · NSN 5975-00-642-7261 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-642-7261 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-642-7261. Primary manufacturer part number: 152.
Features
  • Locknut,electrical Conduit — FSC 5975
  • Overall Thickness: 0.188 INCHES NOMINAL IN
  • Thread Type: STRAIGHT
  • Nondefinitive Spec/std Data: 1 CLASS AND P KIND AND 0.375 IN. SIZE AND 3 TYPE IN
  • Outside Diameter: 1.375 INCHES NOMINAL IN
  • Conduit Size Accommodated: 0.750 INCHES NOMINAL IN
  • Material: IRON MALLEABLE OR STEEL
  • Surface Treatment: CADMIUM OR ZINC
Applications
  • Applications requiring Iron Malleable or Steel construction
General Description

The Locknut,electrical Conduit, cataloged under National Stock Number 5975-00-642-7261, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Efcor Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 32 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-642-7261
Primary Part Number152
Item NameLocknut,electrical Conduit
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerEfcor Inc
StatusCANCELLED
Overall Thickness0.188 INCHES NOMINAL IN
Thread TypeSTRAIGHT
Nondefinitive Spec/std Data1 CLASS AND P KIND AND 0.375 IN. SIZE AND 3 TYPE IN
Outside Diameter1.375 INCHES NOMINAL IN
Conduit Size Accommodated0.750 INCHES NOMINAL IN
MaterialIRON MALLEABLE OR STEEL
Surface TreatmentCADMIUM OR ZINC
Thread Size3/4-14
Departure From Cited DesignatorAS MODIFIED BY MATERIAL
Drive TypeSPANNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5815-00-027-4469180544 INTERCHANGEABLE
Bail,teletype
Telemechanics Inc
4820-00-036-085910802 INTERCHANGEABLE
Sleeve,directional Control Linea
Schneider Electric Systems Usa Inc
3110-00-106-5606 INTERCHANGEABLE
Plate,retaining,bearing
6685-00-526-444910802 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5365-00-529-844110802 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
3120-00-659-2767160-633 INTERCHANGEABLE
Bearing,sleeve
Graco Inc.
5910-00-668-0536 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5325-00-698-43461080-2 INTERCHANGEABLE
Ring,retaining
Eaton Corporation
5815-00-767-5168160633 INTERCHANGEABLE
Point
Telemechanics Inc
6680-00-833-612810802 INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
John Reiner & Co. Inc.
Cross-Reference Index
Part NumberManufacturer
152 Efcor Inc
2KK564 Oshkosh Corp (USA)
G210519-2 At and T Corp (USA)
4460727 Kalmar AC Inc (USA)
74460727 Kalmar AC Inc (USA)
10802 Atlas Technologies Inc (USA)
142 Abb Installation Products Inc (USA)
HN1289-3 Hughey & Phillips Inc Dba Honeywell Airport Systems (USA)
LH-200 Neer Mfg Co Inc (USA)
LN102 Abb Installation Products Inc (USA)
5975PL0780909 Jednolity Indeks Materialowy - Uniform Material Index (POL)
LN102 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
LN5 M&w Electric Manufacturing Co. Llc (USA)
BL75 Egs Electrical Group Appleton Div (USA)
12 Midwest Electric Mfg Corp Sub of Crouse-Hinds Co (USA)
9247284 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
321869-3 Technical Components Co Inc Sub of Methode Electronics Inc (USA)
A-A-50553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
105R200P57 General Electric Company (USA)
1003 Raco, a Division of Hubbell Incorporated(delaware) (USA)
Related Parts
5815-00-027-4469INTERCHANGEABLE
BAIL,TELETYPE
180544
4820-00-036-0859INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
10802
3110-00-106-5606INTERCHANGEABLE
PLATE,RETAINING,BEARING
6685-00-526-4449INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
10802
5365-00-529-8441INTERCHANGEABLE
SPACER,SLEEVE
10802
3120-00-659-2767INTERCHANGEABLE
BEARING,SLEEVE
160-633
5910-00-668-0536INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5325-00-698-4346INTERCHANGEABLE
RING,RETAINING
1080-2
5815-00-767-5168INTERCHANGEABLE
POINT
160633
6680-00-833-6128INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
10802
5910-00-961-6131INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10-802
4820-01-225-1487INTERCHANGEABLE
VALVE,CHECK
CV161

Frequently Asked Questions

What is NSN 5975-00-642-7261?

NSN 5975-00-642-7261 is a Locknut,electrical Conduit, manufactured by Efcor Inc, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-642-7261?

NSN 5975-00-642-7261 has 37 cross-referenced part numbers: 152 (Efcor Inc), 2KK564 (Oshkosh Corp), G210519-2 (At and T Corp), 4460727 (Kalmar AC Inc), 74460727 (Kalmar AC Inc) and 32 more.

What NSN replaces 5975-00-642-7261?

There are 12 known substitutes for 5975-00-642-7261: 5815-00-027-4469, 4820-00-036-0859, 3110-00-106-5606 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 152?

Key specifications for 152: Overall Thickness: 0.188 INCHES NOMINAL IN; Thread Type: STRAIGHT; Nondefinitive Spec/std Data: 1 CLASS AND P KIND AND 0.375 IN. SIZE AND 3 TYPE IN; Outside Diameter: 1.375 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-642-7261 still in active supply?

NSN 5975-00-642-7261 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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