PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18050Washer,spring Tension

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5310-01-006-9026 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-006-9026 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-006-9026. Primary manufacturer part number: 18050.
Features
  • Washer,spring Tension — FSC 5310
  • Hole Diameter: 0.512 INCHES MINIMUM AND 0.512 INCHES MINIMUM AND 0.517 INCHES MAXIMUM0.517 INCHES MAXIMUM IN
  • Outside Diameter: 0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Style Designator: SPRING TENSION
  • 4 verified cross-references
  • Primary manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Mechanical energy storage
  • Vibration dampening
General Description

The Washer,spring Tension, cataloged under National Stock Number 5310-01-006-9026, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-006-9026
Primary Part Number18050
Item NameWasher,spring Tension
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusCANCELLED
Hole Diameter0.512 INCHES MINIMUM AND 0.512 INCHES MINIMUM AND 0.517 INCHES MAXIMUM0.517 INCHES MAXIMUM IN
Outside Diameter0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorSPRING TENSION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-187-036954-10141 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5133-00-189-9295 INTERCHANGEABLE
Drill,twist
5945-00-201-6071 INTERCHANGEABLE
Relay,electromagnetic
5340-00-235-234318050 INTERCHANGEABLE
Bumper
Gyrus Acmi L.p. Dba Circon-Acmi Div
6115-00-500-400118050 INTERCHANGEABLE
Generator Set,gasoline Engine
Hiller Aircraft Corporation
5930-00-583-16401621242 INTERCHANGEABLE
Switch,thermostatic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-806-4078 INTERCHANGEABLE
Seal,plain Encased
5905-00-873-5721282299-103 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Gould Instrument Systems Inc
6520-01-027-0344 INTERCHANGEABLE
Bur,denture Trimming
5331-01-027-4562008200 INTERCHANGEABLE
O-Ring
Bosch Rexroth Corporation Div Industrial Hydraulics
Cross-Reference Index
Part NumberManufacturer
18050 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
18050 Lucas Aerospace Power Equipment Corporation (USA)
008200 Schnorr, Adolf Gmbh + Co.kg (DEU)
18050 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
Related Parts
3455-00-187-0369INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10141
5133-00-189-9295INTERCHANGEABLE
DRILL,TWIST
5945-00-201-6071INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5340-00-235-2343INTERCHANGEABLE
BUMPER
18050
6115-00-500-4001INTERCHANGEABLE
GENERATOR SET,GASOLINE ENGINE
18050
5930-00-583-1640INTERCHANGEABLE
SWITCH,THERMOSTATIC
1621242
5330-00-806-4078INTERCHANGEABLE
SEAL,PLAIN ENCASED
5905-00-873-5721INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
282299-103
6520-01-027-0344INTERCHANGEABLE
BUR,DENTURE TRIMMING
5331-01-027-4562INTERCHANGEABLE
O-RING
008200
3120-01-168-9956INTERCHANGEABLE
BEARING,WASHER,THRUST
10512638
5360-01-260-4633INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
18050

Frequently Asked Questions

What is NSN 5310-01-006-9026?

NSN 5310-01-006-9026 is a Washer,spring Tension, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-006-9026?

NSN 5310-01-006-9026 has 4 cross-referenced part numbers: 18050 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 18050 (Lucas Aerospace Power Equipment Corporation), 008200 (Schnorr, Adolf Gmbh + Co.kg), 18050 (Goodrich Corporation Dba Trw Lucas Aerospace).

What NSN replaces 5310-01-006-9026?

There are 12 known substitutes for 5310-01-006-9026: 3455-00-187-0369, 5133-00-189-9295, 5945-00-201-6071 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18050?

Key specifications for 18050: Hole Diameter: 0.512 INCHES MINIMUM AND 0.512 INCHES MINIMUM AND 0.517 INCHES MAXIMUM0.517 INCHES MAXIMUM IN; Outside Diameter: 0.906 INCHES NOMINAL0.906 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: SPRING TENSION. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-006-9026 still in active supply?

NSN 5310-01-006-9026 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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