PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17088Washer,key

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5310-00-395-2408 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-395-2408 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-395-2408. Primary manufacturer part number: 17088.
Features
  • Washer,key — FSC 5310
  • Angle Between First and Second Key: 30.0 DEGREES NOMINAL
  • Style Designator: KEY
  • Material: STEEL COMP 1010 OVERALL
  • Angle Between Fifth and Sixth Key: 30.0 DEGREES NOMINAL
  • Angle Between Third and Fourth Key: 30.0 DEGREES NOMINAL
  • Outside Diameter: 1.4375 INCHES NOMINAL IN
  • External Prebent Key Width: 0.1562 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-395-2408, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-395-2408
Primary Part Number17088
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Angle Between First and Second Key30.0 DEGREES NOMINAL
Style DesignatorKEY
MaterialSTEEL COMP 1010 OVERALL
Angle Between Fifth and Sixth Key30.0 DEGREES NOMINAL
Angle Between Third and Fourth Key30.0 DEGREES NOMINAL
Outside Diameter1.4375 INCHES NOMINAL IN
External Prebent Key Width0.1562 INCHES MAXIMUM IN
Material Thickness0.058 INCHES NOMINAL IN
Overall Distance Including Keys1.8125 INCHES NOMINAL IN
External Key Quantity6
Material Document and ClassificationAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hole Diameter1.2031 INCHES NOMINAL IN
Internal Prebent Key Width0.1562 INCHES NOMINAL IN
Angle Between Second and Third Key30.0 DEGREES NOMINAL
Internal Prebent Key Length0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4920-00-917-285917088 INTERCHANGEABLE
Fixture,aircraft Maintenance
Collins Engine Nozzles, Inc
5965-01-092-6344539-030-021-603 INTERCHANGEABLE
Cushion,ear
Roanwell, Llc
3405-01-297-6179 INTERCHANGEABLE
Positive Stop,hacksaw Machine
6515-01-590-1042202.224 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
17088 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
17088 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4920-00-917-2859INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
17088
5965-01-092-6344INTERCHANGEABLE
CUSHION,EAR
539-030-021-603
3405-01-297-6179INTERCHANGEABLE
POSITIVE STOP,HACKSAW MACHINE
6515-01-590-1042INTERCHANGEABLE
SCREW,BONE
202.224

Frequently Asked Questions

What is NSN 5310-00-395-2408?

NSN 5310-00-395-2408 is a Washer,key, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-395-2408?

NSN 5310-00-395-2408 has 2 cross-referenced part numbers: 17088 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 17088 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-395-2408?

There are 4 known substitutes for 5310-00-395-2408: 4920-00-917-2859, 5965-01-092-6344, 3405-01-297-6179 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17088?

Key specifications for 17088: Angle Between First and Second Key: 30.0 DEGREES NOMINAL; Style Designator: KEY; Material: STEEL COMP 1010 OVERALL; Angle Between Fifth and Sixth Key: 30.0 DEGREES NOMINAL. 15 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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