NSN 4410-00-346-6567 — this item is cataloged by the U.S. Government under National Stock Number 4410-00-346-6567. Manufacturer of record part number: 317-57.
The Cover, cataloged under National Stock Number 4410-00-346-6567, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Cover
FSC / FSG
4410 — Industrial Boilers (FSG 44)
Manufacturers
Aqua-Chem, Inc. Dba Aqua-Chem Inc (CAGE 0EXU3)
Technical Specifications
Parameter
Value
NSN
4410-00-346-6567
Primary Part Number
317-57
Item Name
Cover
FSC / FSG
4410 / 44 — Industrial Boilers
Manufacturer
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5962-00-406-63303011-25POSSIBLE MATCH
MICROCIRCUIT,LINEAR
Possible match (shared part number)Burr-Brown Corp
1270-01-011-6710301125POSSIBLE MATCH
INSULATOR,FRAME
Possible match (shared part number)Northrop Grumman Corp Electronic Systems Defensive System Div
6210-01-122-58373011-25POSSIBLE MATCH
LIGHT,INDICATOR
Possible match (shared part number)Pentair Filtration Solutions, Llc
2915-01-143-566231757POSSIBLE MATCH
BELLOWS ASSEMBLY
Possible match (shared part number)Senior Operations Llc Dba Metal Bellows Div Metal Bellows
2590-01-181-358931775POSSIBLE MATCH
CAP,FILLER OPENING
Possible match (shared part number)Gates Corporation
2540-01-612-338231757POSSIBLE MATCH
PEDESTAL,SEAT
Possible match (shared part number)Lockheed Martin Aerospace Systems Integration Corp
5315-01-645-6932POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)
1630-01-685-73353-1757POSSIBLE MATCH
WHEEL,LANDING GEAR
Possible match (shared part number)Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
NSN 4410-00-346-6567 is a Cover, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4410, Industrial Boilers. Status: active.
What part numbers are listed for NSN 4410-00-346-6567?
NSN 4410-00-346-6567 has 2 manufacturer part numbers on file: 317-57 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 301125 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
What NSN replaces 4410-00-346-6567?
8 possible matches (shared part number, not a government interchangeability claim): 5962-00-406-6330, 1270-01-011-6710, 6210-01-122-5837. Verify interchangeability with system specifications before substitution.
Is NSN 4410-00-346-6567 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.