NSN 4923-01-490-3449 · NIIN 014903449 · Part number B50173-1
Mission Systems Orchard Park Inc · FSC 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 04577
Government record, cited
NSN 4923-01-490-3449 — this item is cataloged by the U.S. Government under National Stock Number 4923-01-490-3449. Manufacturer of record part number: B50173-1.
Also searched as4923-01-490-3449 ·
4923014903449 ·
NIIN 014903449 ·
01-490-3449 ·
FSC 4923 Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment · CAGE 04577 · B50173-1
Nearby stock numbers← 4923-01-485-9925 Tool and Equipment Kit, Underwate
·
4923-01-499-1367 Test Set, Underwater Mine →
Features
Stop Cover — FSC 4923
1 manufacturer part number on file
Manufacturer of record: Mission Systems Orchard Park Inc
Identification
NSN: 4923-01-490-3449
NIIN: 014903449
FSC: 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: B50173-1
Manufacturer: Mission Systems Orchard Park Inc
General Description
The Stop Cover, cataloged under National Stock Number 4923-01-490-3449, is classified within Federal Supply Class 4923 (Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mission Systems Orchard Park Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Stop Cover
FSC / FSG
4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment (FSG 49)
Manufacturers
Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
Parameter
Value
NSN
4923-01-490-3449
Primary Part Number
B50173-1
Item Name
Stop Cover
FSC / FSG
4923 / 49 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
Other items in FSC 4923 — Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4923-00-017-8311
4923-00-017-8311 · Item name not on file
4923-00-032-1571
TEST SET,UNDERWATER MINE
4923-00-032-1634
4923-00-032-1634 · Item name not on file
4923-00-038-6748
CONNECTION BOX
4923-00-038-6749
CONNECTION BOX
4923-00-038-6750
CONNECTION BOX
4923-00-038-6751
CONNECTION BOX
4923-00-038-6752
CONNECTION BOX
Frequently Asked Questions
What is NSN 4923-01-490-3449?
NSN 4923-01-490-3449 is a Stop Cover, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4923, Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
What part numbers are listed for NSN 4923-01-490-3449?
NSN 4923-01-490-3449 has 1 manufacturer part number on file: B50173-1 (Mission Systems Orchard Park Inc).
Is NSN 4923-01-490-3449 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.