General Characteristics Item Description: SPRING PC 17,6 EA;RING RETAINER PC 11,2 EA;RINGPACKING PC 3,1 EA
Identification
NSN: 2825-00-842-0331
NIIN: 008420331
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components
General Description
The Packing Assembly,labyrinth, cataloged under National Stock Number 2825-00-842-0331, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
2825-00-842-0331
Item Name
Packing Assembly,labyrinth
FSC / FSG
2825 / 28 — Steam Turbines and Components
Status
ACTIVE
General Characteristics Item Description
SPRING PC 17,6 EA;RING RETAINER PC 11,2 EA;RINGPACKING PC 3,1 EA
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2825-00-842-0332577E877PC40POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
Possible match (shared part number)General Electric Company
2825-00-842-0334577E877PC41POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
Possible match (shared part number)General Electric Company
2825-00-842-0337577E877PC42POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
Possible match (shared part number)General Electric Company
2825-00-842-0338577E877PC43POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
Possible match (shared part number)General Electric Company
2825-00-895-6687POSSIBLE MATCH
PACKING RING ASSEMBLY,TURBINE
Possible match (shared part number)
2825-00-895-6689577E877PC36POSSIBLE MATCH
PACKING RING ASSEMBLY
Possible match (shared part number)General Electric Company
2825-00-895-6691POSSIBLE MATCH
PACKING RING ASSEMBLY
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
577E877-039
5/9Secondary reference
General Electric Company
577E877-39
3/9Design control — primary reference
General Electric Co Naval and Drive Turbine Systems Dept
577E877PC39
5/9Secondary reference
General Electric Company
577E877
D/9Drawing number reference only
General Electric Company
577E877-039
5/9Secondary reference
General Electric Co Naval and Drive Turbine Systems Dept
577E877PC39
5/9Secondary reference
General Electric Company
Related Parts
2825-00-842-0332POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
577E877PC40
2825-00-842-0334POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
577E877PC41
2825-00-842-0337POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
577E877PC42
2825-00-842-0338POSSIBLE MATCH
PACKING ASSEMBLY,LABYRINTH
577E877PC43
2825-00-895-6687POSSIBLE MATCH
PACKING RING ASSEMBLY,TURBINE
2825-00-895-6689POSSIBLE MATCH
PACKING RING ASSEMBLY
577E877PC36
2825-00-895-6691POSSIBLE MATCH
PACKING RING ASSEMBLY
Frequently Asked Questions
What is NSN 2825-00-842-0331?
NSN 2825-00-842-0331 is a Packing Assembly,labyrinth, classified under FSC 2825, Steam Turbines and Components. Status: active.
What NSN replaces 2825-00-842-0331?
7 possible matches (shared part number, not a government interchangeability claim): 2825-00-842-0332, 2825-00-842-0334, 2825-00-842-0337. Verify interchangeability with system specifications before substitution.
What are the specifications of 2825-00-842-0331?
Key specifications for 2825-00-842-0331: General Characteristics Item Description: SPRING PC 17,6 EA;RING RETAINER PC 11,2 EA;RINGPACKING PC 3,1 EA. 1 specification is documented in the U.S. Government catalog.
Is NSN 2825-00-842-0331 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.