PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

88090Washer,flat

Tri-Tec Manufacturing Llc · NSN 5310-01-643-7525 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-643-7525 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-643-7525. Primary manufacturer part number: 88090.
Features
  • Washer,flat — FSC 5310
  • Material: PLASTIC NYLON OVERALL
  • Thickness: 0.060 INCHES NOMINAL IN
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Nylon Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-643-7525, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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: Active.

Technical Specifications
ParameterValue
NSN5310-01-643-7525
Primary Part Number88090
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
MaterialPLASTIC NYLON OVERALL
Thickness0.060 INCHES NOMINAL IN
Overall Diameter0.500 INCHES NOMINAL IN
Hole Diameter0.250 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-003-689130011 INTERCHANGEABLE
Gasket
Mcneil Ohio Corp
6625-00-081-5840637-16751 INTERCHANGEABLE
Ammeter
Phaostron Instrument and Electronic Company
3110-00-100-052717244 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5910-00-109-9258441-1030-011 INTERCHANGEABLE
Capacitor,fixed,electrolytic
The Boeing Company Div Legacy Boeing Hb1
4710-00-165-820888090 INTERCHANGEABLE
Tube Assembly,metal
Northrop Grumman Systems Corporation
6515-00-303-8250 INTERCHANGEABLE
Applicator,disposable
5330-01-032-8292 INTERCHANGEABLE
Seal,plain Encased
5950-01-047-769530011 INTERCHANGEABLE
Transformer Assembly
Data Device Corp Dba Beta Transformer Technology
5930-01-049-90453001-1 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5998-01-120-7686 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
30011 Tri-Tec Manufacturing Llc (USA)
30011-3FIND11 Tri-Tec Manufacturing Llc (USA)
88090 PRIMARY Tri-Tec Manufacturing Llc (USA)
Related Parts
5330-00-003-6891INTERCHANGEABLE
GASKET
30011
6625-00-081-5840INTERCHANGEABLE
AMMETER
637-16751
3110-00-100-0527INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
17244
5910-00-109-9258INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
441-1030-011
4710-00-165-8208INTERCHANGEABLE
TUBE ASSEMBLY,METAL
88090
6515-00-303-8250INTERCHANGEABLE
APPLICATOR,DISPOSABLE
5330-01-032-8292INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-01-047-7695INTERCHANGEABLE
TRANSFORMER ASSEMBLY
30011
5930-01-049-9045INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
3001-1
5998-01-120-7686INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5950-01-149-9230INTERCHANGEABLE
REACTOR
30011
3030-01-259-2279INTERCHANGEABLE
BELT,POSITIVE DRIVE
95090

Frequently Asked Questions

What is NSN 5310-01-643-7525?

NSN 5310-01-643-7525 is a Washer,flat, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-643-7525?

NSN 5310-01-643-7525 has 3 cross-referenced part numbers: 30011 (Tri-Tec Manufacturing Llc), 30011-3FIND11 (Tri-Tec Manufacturing Llc), 88090 (Tri-Tec Manufacturing Llc).

What NSN replaces 5310-01-643-7525?

There are 12 known substitutes for 5310-01-643-7525: 5330-00-003-6891, 6625-00-081-5840, 3110-00-100-0527 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 88090?

Key specifications for 88090: Material: PLASTIC NYLON OVERALL; Thickness: 0.060 INCHES NOMINAL IN; Overall Diameter: 0.500 INCHES NOMINAL IN; Hole Diameter: 0.250 INCHES NOMINAL IN. 9 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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