NSN 2840-00-210-5864 · NIIN 002105864 · Part number 555188
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-210-5864 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-210-5864. Manufacturer of record part number: 555188.
Also searched as2840-00-210-5864 ·
2840002105864 ·
NIIN 002105864 ·
00-210-5864 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 555188 · 156226
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-210-5864
NIIN: 002105864
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 555188
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Lockplate,compressor, cataloged under National Stock Number 2840-00-210-5864, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-210-5864
Primary Part Number
555188
Item Name
Lockplate,compressor
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3040-00-677-8797156226POSSIBLE MATCH
HUB,BODY
Possible match (shared part number)Telemechanics Inc
5905-01-143-5982016-1275-01POSSIBLE MATCH
RESISTOR NETWORK,FIXED,FILM
Possible match (shared part number)Cts Corp Electromechanical Div
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3040-00-677-8797POSSIBLE MATCH
HUB,BODY
156226
5905-01-143-5982POSSIBLE MATCH
RESISTOR NETWORK,FIXED,FILM
016-1275-01
Frequently Asked Questions
What is NSN 2840-00-210-5864?
NSN 2840-00-210-5864 is a Lockplate,compressor, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-00-210-5864?
NSN 2840-00-210-5864 has 2 manufacturer part numbers on file: 156226 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 555188 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What NSN replaces 2840-00-210-5864?
2 possible matches (shared part number, not a government interchangeability claim): 3040-00-677-8797, 5905-01-143-5982. Verify interchangeability with system specifications before substitution.
What are the specifications of 555188?
Key specifications for 555188: End Item Identification: J-57 AIRCRAFT ENGINE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-210-5864 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.