PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20167Seat,helical Compression Spring

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5340-00-118-2346 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-118-2346 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-118-2346. Primary manufacturer part number: 20167.
Features
  • Seat,helical Compression Spring — FSC 5340
  • First Step Length: 0.1090 INCHES NOMINAL IN
  • Style Designator: SEAT
  • Material: STEEL COMP 4340
  • FSC Application Data: ACFT ENG R1830
  • Material Document and Classification: AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE
  • Bore Diameter: 0.9440 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN
  • Second Step Diameter: 2.0000 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 4340 construction
General Description

The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-118-2346, is classified within Federal Supply Class 5340 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5340-00-118-2346
Primary Part Number20167
Item NameSeat,helical Compression Spring
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
First Step Length0.1090 INCHES NOMINAL IN
Style DesignatorSEAT
MaterialSTEEL COMP 4340
FSC Application DataACFT ENG R1830
Material Document and ClassificationAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE
Bore Diameter0.9440 INCHES MINIMUM AND 0.9470 INCHES MAXIMUM IN
Second Step Diameter2.0000 INCHES NOMINAL IN
Distance From End to First Step0.3030 INCHES NOMINAL IN
First Step Diameter1.6870 INCHES MINIMUM AND 1.6970 INCHES MAXIMUM IN
Material Hardness Rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
Design TypeSOLID
End Diameter1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5945-00-615-906020167 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5305-00-897-6179010767 INTERCHANGEABLE
Setscrew
Defense Logistics Agency Dba Defense Supply Center Philadelphia
1680-01-152-6275 INTERCHANGEABLE
Angle,seat
4820-01-539-3343 INTERCHANGEABLE
Valve,safety Relief
4820-01-539-3552 INTERCHANGEABLE
Stem,fluid Valve
1080-01-564-15872016-7 INTERCHANGEABLE
Pole,support
Saab Barracuda Llc
6625-01-605-56312200860 INTERCHANGEABLE
Lead,test
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
AS87209 Aircraft Supplies (USA)
20167 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
87209 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
87209 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
20167 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5945-00-615-9060INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
20167
5305-00-897-6179INTERCHANGEABLE
SETSCREW
010767
1680-01-152-6275INTERCHANGEABLE
ANGLE,SEAT
4820-01-539-3343INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-539-3552INTERCHANGEABLE
STEM,FLUID VALVE
1080-01-564-1587INTERCHANGEABLE
POLE,SUPPORT
2016-7
6625-01-605-5631INTERCHANGEABLE
LEAD,TEST
2200860

Frequently Asked Questions

What is NSN 5340-00-118-2346?

NSN 5340-00-118-2346 is a Seat,helical Compression Spring, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-118-2346?

NSN 5340-00-118-2346 has 5 cross-referenced part numbers: AS87209 (Aircraft Supplies), 20167 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 87209 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 87209 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 20167 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5340-00-118-2346?

There are 7 known substitutes for 5340-00-118-2346: 5945-00-615-9060, 5305-00-897-6179, 1680-01-152-6275 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20167?

Key specifications for 20167: First Step Length: 0.1090 INCHES NOMINAL IN; Style Designator: SEAT; Material: STEEL COMP 4340; FSC Application Data: ACFT ENG R1830. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-118-2346 still in active supply?

NSN 5340-00-118-2346 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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