PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-1-5-21Shim

Leeds and Northrup Co a Unit of General Signal Corp · NSN 5365-00-740-5979 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-740-5979 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-740-5979. Primary manufacturer part number: 1-1-5-21.
Features
  • Shim — FSC 5365
  • Material: COPPER ALLOY
  • Construction: ONE-PIECE
  • Aperture Diameter: 0.628 INCHES NOMINAL IN
  • Outside Diameter: 1.188 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Leeds and Northrup Co a Unit of General Signal Corp
Applications
  • Applications requiring Copper Alloy construction
General Description

The Shim, cataloged under National Stock Number 5365-00-740-5979, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-00-740-5979
Primary Part Number1-1-5-21
Item NameShim
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
MaterialCOPPER ALLOY
ConstructionONE-PIECE
Aperture Diameter0.628 INCHES NOMINAL IN
Outside Diameter1.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-114-9496ER23 INTERCHANGEABLE
Bearing,ball,annular
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
2915-00-305-42171-152-1 INTERCHANGEABLE
Valve,float,aircraft Fuel Tank
Parker Hannifin Corporation Div Aerospace Group Headquarters
3655-00-377-501411521 INTERCHANGEABLE
Disk,gate Valve
Flowserve Inc
5935-00-392-7793SM-B-157243 INTERCHANGEABLE
Retainer,electrical Connector
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-403-995411521 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Mission Systems Orchard Park Inc
2520-00-530-7544121406R92 INTERCHANGEABLE
Parts Kit,universal Joint
Dressta North America Ltd
5136-00-585-6760 INTERCHANGEABLE
Tap,thread Cutting
5950-00-647-9858506-2971-002 INTERCHANGEABLE
Transformer,radio Frequency
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
6210-00-926-76801152-1 INTERCHANGEABLE
Light,indicator
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3020-00-951-06851152-1 INTERCHANGEABLE
Gear,dial
Drs Signal Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
1-1-5-21 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
3110-00-114-9496INTERCHANGEABLE
BEARING,BALL,ANNULAR
ER23
2915-00-305-4217INTERCHANGEABLE
VALVE,FLOAT,AIRCRAFT FUEL TANK
1-152-1
3655-00-377-5014INTERCHANGEABLE
DISK,GATE VALVE
11521
5935-00-392-7793INTERCHANGEABLE
RETAINER,ELECTRICAL CONNECTOR
SM-B-157243
4730-00-403-9954INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
11521
2520-00-530-7544INTERCHANGEABLE
PARTS KIT,UNIVERSAL JOINT
121406R92
5136-00-585-6760INTERCHANGEABLE
TAP,THREAD CUTTING
5950-00-647-9858INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
506-2971-002
6210-00-926-7680INTERCHANGEABLE
LIGHT,INDICATOR
1152-1
3020-00-951-0685INTERCHANGEABLE
GEAR,DIAL
1152-1
5330-01-235-6293INTERCHANGEABLE
PACKING MATERIAL
11521
5970-01-525-0321INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
115-21

Frequently Asked Questions

What is NSN 5365-00-740-5979?

NSN 5365-00-740-5979 is a Shim, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-00-740-5979?

NSN 5365-00-740-5979 has 1 cross-referenced part number: 1-1-5-21 (Leeds and Northrup Co a Unit of General Signal Corp).

What NSN replaces 5365-00-740-5979?

There are 12 known substitutes for 5365-00-740-5979: 3110-00-114-9496, 2915-00-305-4217, 3655-00-377-5014 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-1-5-21?

Key specifications for 1-1-5-21: Material: COPPER ALLOY; Construction: ONE-PIECE; Aperture Diameter: 0.628 INCHES NOMINAL IN; Outside Diameter: 1.188 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

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