PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128996Washer,flat

Honeywell International, Inc Div Aerospace-Tucson · NSN 5310-00-559-6190 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-559-6190 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-559-6190. Primary manufacturer part number: 128996.
Features
  • Washer,flat — FSC 5310
  • Material: ASBESTOS OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Thickness: 0.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Asbestos Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-559-6190, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-559-6190
Primary Part Number128996
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHoneywell International, Inc Div Aerospace-Tucson
StatusCANCELLED
MaterialASBESTOS OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Overall Diameter0.375 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-01-567-3490128996 INTERCHANGEABLE
Tee,pipe
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
128996 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
128996 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
Related Parts
4730-01-567-3490INTERCHANGEABLE
TEE,PIPE
128996

Frequently Asked Questions

What is NSN 5310-00-559-6190?

NSN 5310-00-559-6190 is a Washer,flat, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-559-6190?

NSN 5310-00-559-6190 has 2 cross-referenced part numbers: 128996 (Honeywell International, Inc Div Aerospace-Tucson), 128996 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site).

What NSN replaces 5310-00-559-6190?

There is 1 known substitute for 5310-00-559-6190: 4730-01-567-3490. Verify interchangeability with system specifications before substitution.

What are the specifications of 128996?

Key specifications for 128996: Material: ASBESTOS OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Hole Diameter: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-559-6190 still in active supply?

NSN 5310-00-559-6190 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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