PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1198Washer,flat

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 5310-00-527-9561 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-527-9561 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-527-9561. Primary manufacturer part number: A1198.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 1.156 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 2.000 INCHES NOMINAL IN
  • Thickness: 0.031 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-527-9561, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-527-9561
Primary Part NumberA1198
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Hole Diameter1.156 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter2.000 INCHES NOMINAL IN
Thickness0.031 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-274-7924 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
A1198 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
4720-00-274-7924INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 5310-00-527-9561?

NSN 5310-00-527-9561 is a Washer,flat, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-527-9561?

NSN 5310-00-527-9561 has 1 cross-referenced part number: A1198 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 5310-00-527-9561?

There is 1 known substitute for 5310-00-527-9561: 4720-00-274-7924. Verify interchangeability with system specifications before substitution.

What are the specifications of A1198?

Key specifications for A1198: Hole Diameter: 1.156 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com