NSN 2810-00-671-0181 · NIIN 006710181 · Part number 31815P30
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2810-00-671-0181 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-671-0181. Manufacturer of record part number: 31815P30.
Also searched as2810-00-671-0181 ·
2810006710181 ·
NIIN 006710181 ·
00-671-0181 ·
FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · CAGE 77445 · 31815P30 · AS31815P30
General Characteristics Item Description: MATL ALUMINUM ALLOY PER AMS 4360; TIN PLATE FLASH PER AMS 2408; BODY 9.430 IN. MIN AND 9.436 IN. MAX ID,9.755 IN. MIN AND 9.757 IN. MAX OD; FLANGE 8.912 IN. MIN AND 8.932 IN. MAX ID,EXTERNALLY 7 SIDED BASED ON 10.99 IN. MIN AND 11.01 IN. MAX DIA,7 HOLES 0.256 IN. MIN AND 0.276 IN. MAX DIA; 0.999 IN. LONG IN
2 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2810-00-671-0181
NIIN: 006710181
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 31815P30
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Liner,bearing, cataloged under National Stock Number 2810-00-671-0181, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Parameter
Value
NSN
2810-00-671-0181
Primary Part Number
31815P30
Item Name
Liner,bearing
FSC / FSG
2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
General Characteristics Item Description
MATL ALUMINUM ALLOY PER AMS 4360; TIN PLATE FLASH PER AMS 2408; BODY 9.430 IN. MIN AND 9.436 IN. MAX ID,9.755 IN. MIN AND 9.757 IN. MAX OD; FLANGE 8.912 IN. MIN AND 8.932 IN. MAX ID,EXTERNALLY 7 SIDED BASED ON 10.99 IN. MIN AND 11.01 IN. MAX DIA,7 HOLES 0.256 IN. MIN AND 0.276 IN. MAX DIA; 0.999 IN. LONG IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Reference documents
Reference
Meaning
AS31815P30
5/9Secondary reference
Aircraft Supplies
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.
2810-00-001-3863
2810-00-001-3863 · Item name not on file
2810-00-001-9036
SUPPORT,INDICATOR
2810-00-001-9113
2810-00-001-9113 · Item name not on file
2810-00-001-9116
2810-00-001-9116 · Item name not on file
2810-00-001-9117
2810-00-001-9117 · Item name not on file
2810-00-001-9592
2810-00-001-9592 · Item name not on file
2810-00-003-5864
2810-00-003-5864 · Item name not on file
2810-00-004-0436
POPPET,VALVE
Frequently Asked Questions
What is NSN 2810-00-671-0181?
NSN 2810-00-671-0181 is a Liner,bearing, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
What part numbers are listed for NSN 2810-00-671-0181?
NSN 2810-00-671-0181 has 2 manufacturer part numbers on file: 31815P30 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 31815P30 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 31815P30?
Key specifications for 31815P30: General Characteristics Item Description: MATL ALUMINUM ALLOY PER AMS 4360; TIN PLATE FLASH PER AMS 2408; BODY 9.430 IN. MIN AND 9.436 IN. MAX ID,9.755 IN. MIN AND 9.757 IN. MAX OD; FLANGE 8.912 IN. MIN AND 8.932 IN. MAX ID,EXTERNALLY 7 SIDED BASED ON 10.99 IN. MIN AND 11.01 IN. MAX DIA,7 HOLES 0.256 IN. MIN AND 0.276 IN. MAX DIA; 0.999 IN. LONG IN; End Item Identification: ACFT ENG R1830. 1 specification is documented in the U.S. Government catalog.
Is NSN 2810-00-671-0181 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.