NSN 5340-01-163-3525 · NIIN 011633525 · Part number MS-549BW
Siemens Energy, Inc. · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 16712
Government record, cited
NSN 5340-01-163-3525 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-163-3525. Manufacturer of record part number: MS-549BW.
The Cover,access, cataloged under National Stock Number 5340-01-163-3525, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Siemens Energy, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-163-3525
Primary Part Number
MS-549BW
Item Name
Cover,access
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Siemens Energy, Inc.
Status
ACTIVE
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2825-01-163-3559HJ-25ESX2POSSIBLE MATCH
RING,GUIDE BUCKET
Possible match (shared part number)Siemens Energy, Inc.
5342-01-163-3560MS-385AGX2 AND MS-386AFX1POSSIBLE MATCH
BRACKET,BEARING
Possible match (shared part number)Siemens Energy, Inc.
2825-01-163-7240MS-14VPOSSIBLE MATCH
GUIDE,DISK
Possible match (shared part number)Siemens Energy, Inc.
2825-01-163-7241MS-588CF U/LPOSSIBLE MATCH
GUARD,OIL,TURBINE
Possible match (shared part number)Siemens Energy, Inc.
2825-01-164-7134MS-15APX1POSSIBLE MATCH
BAFFLE,TURBINE
Possible match (shared part number)Siemens Energy, Inc.
2825-01-171-7186MS-549ERPOSSIBLE MATCH
COVER ASSEMBLY
Possible match (shared part number)Siemens Energy, Inc.
2825-01-171-7187MS-36APPOSSIBLE MATCH
CAP,PACKING BOX
Possible match (shared part number)Siemens Energy, Inc.
2825-01-171-7188MS36CE0001POSSIBLE MATCH
CAP,PACKING BOX
Possible match (shared part number)Siemens Energy, Inc.
2825-01-177-5180HJ-22HLPOSSIBLE MATCH
RING ASSEMBLY,NOZZL
Possible match (shared part number)Siemens Energy, Inc.
NSN 5340-01-163-3525 is a Cover,access, manufactured by Siemens Energy, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-163-3525?
NSN 5340-01-163-3525 has 2 manufacturer part numbers on file: H-5338 PIECE 15 (Siemens Energy, Inc.), MS-549BW (Siemens Energy, Inc.).
What NSN replaces 5340-01-163-3525?
9 possible matches (shared part number, not a government interchangeability claim): 2825-01-163-3559, 5342-01-163-3560, 2825-01-163-7240. Verify interchangeability with system specifications before substitution.
What are the specifications of MS-549BW?
Key specifications for MS-549BW: Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5340-01-163-3525 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.