PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121711Collar,spacing

Arnold a Semler Inc · NSN 6140-00-355-8839 · FSC 6140 · No Item Name Available
Verified by PartsTable
NSN 6140-00-355-8839 — this item is cataloged by the U.S. Government under National Stock Number 6140-00-355-8839. Primary manufacturer part number: 121711.
Features
  • Collar,spacing — FSC 6140
  • 2 verified cross-references
  • Primary manufacturer: Arnold a Semler Inc
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Collar,spacing, cataloged under National Stock Number 6140-00-355-8839, is classified within Federal Supply Class 6140 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Arnold a Semler Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCollar,spacing
FSC / FSG6140 — No Item Name Available (FSG 61)
ManufacturersArnold a Semler Inc (CAGE 50870); Cummins Power Generation Inc. (CAGE 44940)
Technical Specifications
ParameterValue
NSN6140-00-355-8839
Primary Part Number121711
Item NameCollar,spacing
FSC / FSG6140 / 61 — No Item Name Available
ManufacturerArnold a Semler Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-270-4619 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-00-851-194011024334 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center
6750-01-429-1512 INTERCHANGEABLE
Film,photographic
2530-01-657-9904K2-1022411-11.10 INTERCHANGEABLE
Piston,air Brake Chamber
T.s.e. Brakes, Inc.
Cross-Reference Index
Part NumberManufacturer
121711 Arnold a Semler Inc (USA)
416A123 Cummins Power Generation Inc. (USA)
Related Parts
4730-00-270-4619INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-00-851-1940INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
11024334
6750-01-429-1512INTERCHANGEABLE
FILM,PHOTOGRAPHIC
2530-01-657-9904INTERCHANGEABLE
PISTON,AIR BRAKE CHAMBER
K2-1022411-11.10

Frequently Asked Questions

What is NSN 6140-00-355-8839?

NSN 6140-00-355-8839 is a Collar,spacing, manufactured by Arnold a Semler Inc, classified under FSC 6140 (No Item Name Available). Status: active.

What are the part numbers for NSN 6140-00-355-8839?

NSN 6140-00-355-8839 has 2 cross-referenced part numbers: 121711 (Arnold a Semler Inc), 416A123 (Cummins Power Generation Inc.).

What NSN replaces 6140-00-355-8839?

There are 4 known substitutes for 6140-00-355-8839: 4730-00-270-4619, 4730-00-851-1940, 6750-01-429-1512 and 1 more. Verify interchangeability with system specifications before substitution.

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