NSN 2825-01-169-3791 · NIIN 011693791 · Part number 44B3021-635
Elliott Company Div Jeannette · FSC 2825 — Steam Turbines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 72957
Government record, cited
NSN 2825-01-169-3791 — this item is cataloged by the U.S. Government under National Stock Number 2825-01-169-3791. Manufacturer of record part number: 44B3021-635.
Also searched as2825-01-169-3791 ·
2825011693791 ·
NIIN 011693791 ·
01-169-3791 ·
FSC 2825 Steam Turbines and Components · CAGE 72957 · 44B3021-635 · 3329298PIECE16L · 3329298
Manufacturer of record: Elliott Company Div Jeannette
Identification
NSN: 2825-01-169-3791
NIIN: 011693791
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 44B3021-635
Manufacturer: Elliott Company Div Jeannette
General Description
The Block,steam,inlet Valve, cataloged under National Stock Number 2825-01-169-3791, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Elliott Company Div Jeannette. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
2825-01-169-3791
Primary Part Number
44B3021-635
Item Name
Block,steam,inlet Valve
FSC / FSG
2825 / 28 — Steam Turbines and Components
Manufacturer
Elliott Company Div Jeannette
Status
ACTIVE
General Characteristics Item Description
STEEL
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2825-01-169-37923329298PIECE16NPOSSIBLE MATCH
ROD,CONNECTING,STEAM
Possible match (shared part number)Naval Ship Systems Command
5342-01-169-379344B3021-642POSSIBLE MATCH
CLEVIS,STEAM,INLET
Possible match (shared part number)Elliott Company Div Jeannette
2825-01-169-37943329298PIECE16TPOSSIBLE MATCH
BLOCK,STEAM,INLET VALVE
Possible match (shared part number)Naval Ship Systems Command
2825-01-169-37953329298PIECE16UPOSSIBLE MATCH
LINK,STEAM,INLET
Possible match (shared part number)Naval Ship Systems Command
5360-01-169-379644B3021-781CPOSSIBLE MATCH
SPRING,HANGER,STEAM
Possible match (shared part number)Elliott Company Div Jeannette
2825-01-169-493744B3021-634POSSIBLE MATCH
LINK,STEAM,INLET VALVE,TURBINE
Possible match (shared part number)Elliott Company Div Jeannette
2825-01-169-493844B3721-555POSSIBLE MATCH
LEVER,STEAM,INLET VALVE,TURBINE
Possible match (shared part number)Elliott Company Div Jeannette
2825-01-169-493944B3721-258POSSIBLE MATCH
VALVE,CONTROL SUPPORT,TURBINE
Possible match (shared part number)Elliott Company Div Jeannette
2825-01-169-49403329298PIECE16BTPOSSIBLE MATCH
PAD,WEAR,STEAM,INLET,TURBINE
Possible match (shared part number)Naval Ship Systems Command
4820-01-170-53893329298PIECE16DPOSSIBLE MATCH
YOKE,STEAM,INLET,VALVE
Possible match (shared part number)Naval Ship Systems Command
NSN 2825-01-169-3791 is a Block,steam,inlet Valve, manufactured by Elliott Company Div Jeannette, classified under FSC 2825, Steam Turbines and Components. Status: active.
What part numbers are listed for NSN 2825-01-169-3791?
NSN 2825-01-169-3791 has 1 manufacturer part number on file: 44B3021-635 (Elliott Company Div Jeannette).
What NSN replaces 2825-01-169-3791?
11 possible matches (shared part number, not a government interchangeability claim): 2825-01-169-3792, 5342-01-169-3793, 2825-01-169-3794. Verify interchangeability with system specifications before substitution.
What are the specifications of 44B3021-635?
Key specifications for 44B3021-635: General Characteristics Item Description: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 2825-01-169-3791 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.