PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20089Saddle Assembly

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 4520-00-758-9855 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-00-758-9855 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-758-9855. Primary manufacturer part number: 20089.
Features
  • Saddle Assembly — FSC 4520
  • General Characteristics Item Description: CONSISTS OF 1 SADDLE P/N A-2178; 1 SPEED NUT P/N A-2163
  • 3 verified cross-references
  • Primary manufacturer: Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Saddle Assembly, cataloged under National Stock Number 4520-00-758-9855, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-00-758-9855
Primary Part Number20089
Item NameSaddle Assembly
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 SADDLE P/N A-2178; 1 SPEED NUT P/N A-2163
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-227-4831400017 INTERCHANGEABLE
Ring,bearing,outer
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5821-00-238-2693 INTERCHANGEABLE
Modulator-Power Supply
4920-00-516-7243 INTERCHANGEABLE
Roller,pressure Assembly
6210-00-806-9421 INTERCHANGEABLE
Light,indicator
2915-00-942-837820089 INTERCHANGEABLE
Plunger,valve,fuel Control
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
2520-01-164-622920089 INTERCHANGEABLE
Propeller Shaft,vehicular
Trw Inc Trw Intl Trade Government Sales Dept
4720-01-176-05252-95 INTERCHANGEABLE
Hose,nonmetallic
Trinity Tool Co Div Trinco Trinity Tool Company
5365-01-266-503220089 INTERCHANGEABLE
Spacer,plate
L & R Manufacturing Company
4920-01-297-972320089 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
20089 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
A2145 Benmar Heater Div Stacee Mfg Inc (USA)
A-2145 Dcm Manufacturing, Inc. (USA)
Related Parts
3110-00-227-4831INTERCHANGEABLE
RING,BEARING,OUTER
400017
5821-00-238-2693INTERCHANGEABLE
MODULATOR-POWER SUPPLY
4920-00-516-7243INTERCHANGEABLE
ROLLER,PRESSURE ASSEMBLY
6210-00-806-9421INTERCHANGEABLE
LIGHT,INDICATOR
2915-00-942-8378INTERCHANGEABLE
PLUNGER,VALVE,FUEL CONTROL
20089
2520-01-164-6229INTERCHANGEABLE
PROPELLER SHAFT,VEHICULAR
20089
4720-01-176-0525INTERCHANGEABLE
HOSE,NONMETALLIC
2-95
5365-01-266-5032INTERCHANGEABLE
SPACER,PLATE
20089
4920-01-297-9723INTERCHANGEABLE
TEST PROGRAM SET
20089

Frequently Asked Questions

What is NSN 4520-00-758-9855?

NSN 4520-00-758-9855 is a Saddle Assembly, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-00-758-9855?

NSN 4520-00-758-9855 has 3 cross-referenced part numbers: 20089 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), A2145 (Benmar Heater Div Stacee Mfg Inc), A-2145 (Dcm Manufacturing, Inc.).

What NSN replaces 4520-00-758-9855?

There are 9 known substitutes for 4520-00-758-9855: 3110-00-227-4831, 5821-00-238-2693, 4920-00-516-7243 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20089?

Key specifications for 20089: General Characteristics Item Description: CONSISTS OF 1 SADDLE P/N A-2178; 1 SPEED NUT P/N A-2163. 1 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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