PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-91Shim

Hardie-Tynes Co., Inc. · NSN 5365-00-375-4851 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-00-375-4851 — this item is cataloged by the U.S. Government under National Stock Number 5365-00-375-4851. Primary manufacturer part number: 20-91.
Features
  • Shim — FSC 5365
  • Bolt Circle Diameter: 3.500 INCHES NOMINAL IN
  • Construction: ONE-PIECE
  • Bolt Hole Quantity: 4
  • FSC Application Data: AIR COMPRESSOR
  • Material: COPPER ALLOY
  • Outside Diameter: 4.375 INCHES NOMINAL IN
  • Hole Diameter: 0.5625 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Shim, cataloged under National Stock Number 5365-00-375-4851, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hardie-Tynes Co., Inc.. Government technical data includes 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN5365-00-375-4851
Primary Part Number20-91
Item NameShim
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerHardie-Tynes Co., Inc.
StatusCANCELLED
Bolt Circle Diameter3.500 INCHES NOMINAL IN
ConstructionONE-PIECE
Bolt Hole Quantity4
FSC Application DataAIR COMPRESSOR
MaterialCOPPER ALLOY
Outside Diameter4.375 INCHES NOMINAL IN
Hole Diameter0.5625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9390-00-251-6432 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
2940-00-316-14131046Z167 INTERCHANGEABLE
Filter Element,fluid
Morris Material Handling, Inc.
3020-00-640-46822091 INTERCHANGEABLE
Pulley,groove
Upright Inc
1650-00-698-6558SA26 INTERCHANGEABLE
Trip Unit,safety
Kit Pack Co., Inc.
3610-00-895-87732091 INTERCHANGEABLE
Nut
Stanley Bostitch Inc Sub of the Stanley Works Corp
4310-00-992-8159379328 INTERCHANGEABLE
Ring,piston
Parker Hannifin Corporation Div Chelsea Products Division
5340-01-247-74932091 INTERCHANGEABLE
Bumper
Accurate Elastomer Products, Inc.
5925-01-271-6053GF5362A INTERCHANGEABLE
Interrupter,ground Fault
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5963-01-434-34522091 INTERCHANGEABLE
Oscillator,noncrystal Controlled
Remec Inc. Dba Remec Broadband Wireless
2940-01-479-4309 INTERCHANGEABLE
Filter Element,fluid
Cross-Reference Index
Part NumberManufacturer
20-91 Hardie-Tynes Co., Inc. (USA)
Related Parts
9390-00-251-6432INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
2940-00-316-1413INTERCHANGEABLE
FILTER ELEMENT,FLUID
1046Z167
3020-00-640-4682INTERCHANGEABLE
PULLEY,GROOVE
2091
1650-00-698-6558INTERCHANGEABLE
TRIP UNIT,SAFETY
SA26
3610-00-895-8773INTERCHANGEABLE
NUT
2091
4310-00-992-8159INTERCHANGEABLE
RING,PISTON
379328
5340-01-247-7493INTERCHANGEABLE
BUMPER
2091
5925-01-271-6053INTERCHANGEABLE
INTERRUPTER,GROUND FAULT
GF5362A
5963-01-434-3452INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
2091
2940-01-479-4309INTERCHANGEABLE
FILTER ELEMENT,FLUID
5998-01-555-4592INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
39M4342
4730-01-562-2211INTERCHANGEABLE
TEE,TUBE

Frequently Asked Questions

What is NSN 5365-00-375-4851?

NSN 5365-00-375-4851 is a Shim, manufactured by Hardie-Tynes Co., Inc., classified under FSC 5365 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5365-00-375-4851?

NSN 5365-00-375-4851 has 1 cross-referenced part number: 20-91 (Hardie-Tynes Co., Inc.).

What NSN replaces 5365-00-375-4851?

There are 12 known substitutes for 5365-00-375-4851: 9390-00-251-6432, 2940-00-316-1413, 3020-00-640-4682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-91?

Key specifications for 20-91: Bolt Circle Diameter: 3.500 INCHES NOMINAL IN; Construction: ONE-PIECE; Bolt Hole Quantity: 4; FSC Application Data: AIR COMPRESSOR. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5365-00-375-4851 still in active supply?

NSN 5365-00-375-4851 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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