PartsTable TECHNICAL DATA SHEET
NSN 2810-00-474-2945Government record, cited

Seat, Valve Spring2810-00-474-2945

NSN 2810-00-474-2945 · NIIN 004742945 · Part number 135228
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 00198
Government record, cited
NSN 2810-00-474-2945 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-474-2945. Manufacturer of record part number: 135228.
Also searched as  2810-00-474-2945 · 2810004742945 · NIIN 004742945 · 00-474-2945 · FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · CAGE 00198 · 135228
Nearby stock numbers  ·
Features
  • Seat,valve Spring — FSC 2810
  • General Characteristics Item Description: STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Identification
  • NSN: 2810-00-474-2945
  • NIIN: 004742945
  • FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: 135228
  • Manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
General Description

The Seat,valve Spring, cataloged under National Stock Number 2810-00-474-2945, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-474-2945
Primary Part Number135228
Item NameSeat,valve Spring
FSC / FSG2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
General Characteristics Item DescriptionSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
135228 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Reference documents
ReferenceMeaning
135228 5/9 Secondary reference
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
No interchangeability data on file.
Other items in FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2810-00-037-4718
2810-00-037-4718 · Item name not on file
2810-00-037-8300
2810-00-037-8300 · Item name not on file
2810-00-070-7830
2810-00-070-7830 · Item name not on file
2810-00-073-5562
CYLINDER AND PISTON
2810-00-075-1018
2810-00-075-1018 · Item name not on file
2810-00-076-2698
2810-00-076-2698 · Item name not on file
2810-00-076-2699
2810-00-076-2699 · Item name not on file
2810-00-792-6442
FLANGE,E,HAUST

Frequently Asked Questions

What is NSN 2810-00-474-2945?

NSN 2810-00-474-2945 is a Seat,valve Spring, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.

What part numbers are listed for NSN 2810-00-474-2945?

NSN 2810-00-474-2945 has 1 manufacturer part number on file: 135228 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What are the specifications of 135228?

Key specifications for 135228: General Characteristics Item Description: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 2810-00-474-2945 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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