PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FEDSTD156Coupling,electrical Conduit

Federal Standards Promulgated by General Services Administration Washington DC · NSN 5975-00-661-1003 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-661-1003 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-661-1003. Primary manufacturer part number: FEDSTD156.
Features
  • Coupling,electrical Conduit — FSC 5975
  • Item Accommodated Trade Size: 1.500 INCHES SECOND END IN
  • Item Accommodated Trade Size: 1.500 INCHES FIRST END IN
  • Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END
  • Nondefinitive Spec/std Data: 2 CLASS AND K KIND AND I TYPE
  • Hazardous Locations/environmental Protection: RAINTIGHT-NEMA TYPE 3R
  • End Type: COMPRESSION RING AND NUT SECOND END
  • Conduit Type Accommodated: RIGID METALLIC THINWALL SECOND END
Applications
  • Applications requiring Iron or Steel construction
General Description

The Coupling,electrical Conduit, cataloged under National Stock Number 5975-00-661-1003, 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 Federal Standards Promulgated by General Services Administration Washington DC. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN5975-00-661-1003
Primary Part NumberFEDSTD156
Item NameCoupling,electrical Conduit
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerFederal Standards Promulgated by General Services Administration Washington DC
StatusCANCELLED
Item Accommodated Trade Size1.500 INCHES SECOND END IN
Item Accommodated Trade Size1.500 INCHES FIRST END IN
Conduit Type AccommodatedRIGID METALLIC THINWALL FIRST END
Nondefinitive Spec/std Data2 CLASS AND K KIND AND I TYPE
Hazardous Locations/environmental ProtectionRAINTIGHT-NEMA TYPE 3R
End TypeCOMPRESSION RING AND NUT SECOND END
Conduit Type AccommodatedRIGID METALLIC THINWALL SECOND END
MaterialIRON OR STEEL
Style DesignatorCOMPRESSION
End TypeCOMPRESSION RING AND NUT FIRST END
Surface TreatmentCADMIUM OR ZINC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6145-00-027-1623292-6 INTERCHANGEABLE
Wire,electrical
Belden, Inc.
3460-00-043-1585 INTERCHANGEABLE
Arbor,hole Saw
8125-00-076-2555227497 INTERCHANGEABLE
Bottle,stopper
Wheaton Glass Co
3110-00-100-0495120800 INTERCHANGEABLE
Cup,tapered Roller Bearing
General Motors Llc Dba General Motors Llc
2910-00-148-655520804 INTERCHANGEABLE
Blade,transfer Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-00-154-74182926SEAL INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
6130-00-188-3699 INTERCHANGEABLE
Rectifier,metallic
4730-00-202-6643 INTERCHANGEABLE
Clamp,hose
5310-00-262-4814FC14297 INTERCHANGEABLE
Washer,flat
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
2530-00-270-3878220636N INTERCHANGEABLE
Dummy Coupling,automotive Air Br
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
FEDSTD156 Federal Standards Promulgated by General Services Administration Washington DC
1014-S Atlas Technologies Inc (USA)
AA50553-1-2-K-05-S Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
5520 Thomas and Betts Ltd (CAN)
A-A-50553 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
5520 Abb Installation Products Inc (USA)
20804 Atlas Technologies Inc (USA)
95T150 Egs Electrical Group Appleton Div (USA)
2926 Raco, a Division of Hubbell Incorporated(delaware) (USA)
WF408 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6145-00-027-1623INTERCHANGEABLE
WIRE,ELECTRICAL
292-6
3460-00-043-1585INTERCHANGEABLE
ARBOR,HOLE SAW
8125-00-076-2555INTERCHANGEABLE
BOTTLE,STOPPER
227497
3110-00-100-0495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
120800
2910-00-148-6555INTERCHANGEABLE
BLADE,TRANSFER PUMP
20804
5330-00-154-7418INTERCHANGEABLE
SEAL,PLAIN ENCASED
2926SEAL
6130-00-188-3699INTERCHANGEABLE
RECTIFIER,METALLIC
4730-00-202-6643INTERCHANGEABLE
CLAMP,HOSE
5310-00-262-4814INTERCHANGEABLE
WASHER,FLAT
FC14297
2530-00-270-3878INTERCHANGEABLE
DUMMY COUPLING,AUTOMOTIVE AIR BR
220636N
5985-00-350-8239INTERCHANGEABLE
ATTENUATOR,FIXED
004624-002
5365-00-353-6610INTERCHANGEABLE
SPACER,SLEEVE
FXH-441

Frequently Asked Questions

What is NSN 5975-00-661-1003?

NSN 5975-00-661-1003 is a Coupling,electrical Conduit, manufactured by Federal Standards Promulgated by General Services Administration Washington DC, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-661-1003?

NSN 5975-00-661-1003 has 10 cross-referenced part numbers: FEDSTD156 (Federal Standards Promulgated by General Services Administration Washington DC), 1014-S (Atlas Technologies Inc), AA50553-1-2-K-05-S (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 5520 (Thomas and Betts Ltd), A-A-50553 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5975-00-661-1003?

There are 12 known substitutes for 5975-00-661-1003: 6145-00-027-1623, 3460-00-043-1585, 8125-00-076-2555 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FEDSTD156?

Key specifications for FEDSTD156: Overall Length: 3.062 INCHES NOMINAL IN; Item Accommodated Trade Size: 1.500 INCHES SECOND END IN; Item Accommodated Trade Size: 1.500 INCHES FIRST END IN; Conduit Type Accommodated: RIGID METALLIC THINWALL FIRST END. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-661-1003 still in active supply?

NSN 5975-00-661-1003 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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