PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4578-F,PC 28Washer,key

Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa · NSN 5310-00-083-9305 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-083-9305 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-083-9305. Primary manufacturer part number: 4578-F,PC 28.
Features
  • Washer,key — FSC 5310
  • 13 verified cross-references
  • Primary manufacturer: Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,key, cataloged under National Stock Number 5310-00-083-9305, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa. This item has 13 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-083-9305
Primary Part Number4578-F,PC 28
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAtwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-549-489624-489 INTERCHANGEABLE
Contact Assembly,electrical
Eaton Corp Opns & Technical Center
2530-00-846-2783684834R91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Truck Br Ohio Plant
5310-01-003-8588 INTERCHANGEABLE
Washer,key
5365-01-297-455224489 INTERCHANGEABLE
Spacer,ring
Paccar Winch Inc Dba Paccar Winch Division
5998-01-598-262524489 INTERCHANGEABLE
Circuit Card Assembly
Ribbon Communications Federal Inc.
Cross-Reference Index
Part NumberManufacturer
20156-DPC32 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
4578-F,PC 28 PRIMARY Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
23720-3PC19 E-Systems Inc Montek Div Fluid Controls Opns (USA)
23720-3PC19 Moog Inc (USA)
20344-F PC 6 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
24489 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
0156-DPC32 Rawco
24489 E-Systems Inc Montek Div Fluid Controls Opns (USA)
23720-3PC19 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
20115-HPC32 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
4577-F PC 28 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
21717-A Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
20343-F PC 26 Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa (USA)
Related Parts
5999-00-549-4896INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
24-489
2530-00-846-2783INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
684834R91
5310-01-003-8588INTERCHANGEABLE
WASHER,KEY
5365-01-297-4552INTERCHANGEABLE
SPACER,RING
24489
5998-01-598-2625INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
24489

Frequently Asked Questions

What is NSN 5310-00-083-9305?

NSN 5310-00-083-9305 is a Washer,key, manufactured by Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-083-9305?

NSN 5310-00-083-9305 has 13 cross-referenced part numbers: 20156-DPC32 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 4578-F,PC 28 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa), 23720-3PC19 (E-Systems Inc Montek Div Fluid Controls Opns), 23720-3PC19 (Moog Inc), 20344-F PC 6 (Atwood & Morrill Co., Inc. Dba Weir Valves and Controls Usa) and 8 more.

What NSN replaces 5310-00-083-9305?

There are 5 known substitutes for 5310-00-083-9305: 5999-00-549-4896, 2530-00-846-2783, 5310-01-003-8588 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4578-F,PC 28?

Key specifications for 4578-F,PC 28: Part Name Assigned by Controlling Agency: WASHER,KEY. 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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