PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RRF00191-4Rail End

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5660-01-038-1458 · FSC 5660 · No Item Name Available
Verified by PartsTable
NSN 5660-01-038-1458 — this item is cataloged by the U.S. Government under National Stock Number 5660-01-038-1458. Primary manufacturer part number: RRF00191-4.
Features
  • Rail End — FSC 5660
  • Outside Diameter: 1.625 INCHES NOMINAL IN
  • Shape: CUP SHAPED W/BRACE END
  • Material: STEEL
  • Style Designator: RAIL END
  • 5 verified cross-references
  • Primary manufacturer: Federal Specifications Promulgated by General Services Administration Washington DC
Applications
  • Applications requiring Steel construction
General Description

The Rail End, cataloged under National Stock Number 5660-01-038-1458, is classified within Federal Supply Class 5660 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5660-01-038-1458
Primary Part NumberRRF00191-4
Item NameRail End
FSC / FSG5660 / 56 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Outside Diameter1.625 INCHES NOMINAL IN
ShapeCUP SHAPED W/BRACE END
MaterialSTEEL
Style DesignatorRAIL END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5660-00-116-3866 INTERCHANGEABLE
Gate Tee
6625-00-133-7673A265-1100 INTERCHANGEABLE
Ammeter
Essex Electro Engineers Inc
2990-00-323-894663520 INTERCHANGEABLE
Nut,adjusting
Briggs and Stratton Corp
5330-00-356-149063520 INTERCHANGEABLE
Gasket
Cummins Inc.
6625-00-489-64091003149 INTERCHANGEABLE
Voltmeter
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
6625-00-840-6504366-205 INTERCHANGEABLE
Voltmeter
Jewell Instruments Llc
6625-00-844-415259B0130 INTERCHANGEABLE
Voltmeter
William Spencer
6625-00-948-016277C707996P001 INTERCHANGEABLE
Voltmeter
Lockheed Martin Corporation Div Rms
4820-01-026-6513Y008556501 INTERCHANGEABLE
Actuator,pneumatic
Leslie Controls, Inc. Dba Leslie Controls Inc
6625-01-038-6826631-18047 INTERCHANGEABLE
Voltmeter
Phaostron Instrument and Electronic Company
Cross-Reference Index
Part NumberManufacturer
RRF00191-4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
55R Anchor Post Products Inc of California Sub of Ppa Industries Inc (USA)
720 Semmerling Fence and Supply Inc (USA)
63520 Hurricane Industries Inc (USA)
06223 Merchants Metals Inc (USA)
Related Parts
5660-00-116-3866INTERCHANGEABLE
GATE TEE
6625-00-133-7673INTERCHANGEABLE
AMMETER
A265-1100
2990-00-323-8946INTERCHANGEABLE
NUT,ADJUSTING
63520
5330-00-356-1490INTERCHANGEABLE
GASKET
63520
6625-00-489-6409INTERCHANGEABLE
VOLTMETER
1003149
6625-00-840-6504INTERCHANGEABLE
VOLTMETER
366-205
6625-00-844-4152INTERCHANGEABLE
VOLTMETER
59B0130
6625-00-948-0162INTERCHANGEABLE
VOLTMETER
77C707996P001
4820-01-026-6513INTERCHANGEABLE
ACTUATOR,PNEUMATIC
Y008556501
6625-01-038-6826INTERCHANGEABLE
VOLTMETER
631-18047
6675-01-041-4573INTERCHANGEABLE
TEMPLATE,DRAFTING
1218
6240-01-061-7359INTERCHANGEABLE
LAMP,INCANDESCENT
55R

Frequently Asked Questions

What is NSN 5660-01-038-1458?

NSN 5660-01-038-1458 is a Rail End, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5660-01-038-1458?

NSN 5660-01-038-1458 has 5 cross-referenced part numbers: RRF00191-4 (Federal Specifications Promulgated by General Services Administration Washington DC), 55R (Anchor Post Products Inc of California Sub of Ppa Industries Inc), 720 (Semmerling Fence and Supply Inc), 63520 (Hurricane Industries Inc), 06223 (Merchants Metals Inc).

What NSN replaces 5660-01-038-1458?

There are 12 known substitutes for 5660-01-038-1458: 5660-00-116-3866, 6625-00-133-7673, 2990-00-323-8946 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RRF00191-4?

Key specifications for RRF00191-4: Outside Diameter: 1.625 INCHES NOMINAL IN; Shape: CUP SHAPED W/BRACE END; Material: STEEL; Style Designator: RAIL END. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5660-01-038-1458 still in active supply?

NSN 5660-01-038-1458 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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