NSN 4240-01-528-1838 · NIIN 015281838 · Part number 4845-4624-001
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 50027
Government record, cited
NSN 4240-01-528-1838 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-528-1838. Manufacturer of record part number: 4845-4624-001.
Also searched as4240-01-528-1838 ·
4240015281838 ·
NIIN 015281838 ·
01-528-1838 ·
FSC 4240 Safety and Rescue Equipment · CAGE 50027 · 4845-4624-001
Manufacturer of record: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Identification
NSN: 4240-01-528-1838
NIIN: 015281838
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 4845-4624-001
Manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
General Description
The Cover,filter,respirator, cataloged under National Stock Number 4240-01-528-1838, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-528-1838
Primary Part Number
4845-4624-001
Item Name
Cover,filter,respirator
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
No interchangeability data on file.
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-528-1838?
NSN 4240-01-528-1838 is a Cover,filter,respirator, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-528-1838?
NSN 4240-01-528-1838 has 1 manufacturer part number on file: 4845-4624-001 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
What are the specifications of 4845-4624-001?
Key specifications for 4845-4624-001: Special Features: PROVIDES EMI SCREENING FOR THE FRONT COVER AIR INLET AND A SHIELDING PLATE FOR ALL MODULES FOR THE SONOBUOY RF EXCEPT THE POWER SUPPLY AND ANTENNA FILTER; Part Name Assigned by Controlling Agency: COVER/FILTER ASSY, FRONT; End Item Identification: MELTEM ACOUSTIC SEGMENT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-528-1838 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.