NSN 6320-00-445-1187 · NIIN 004451187 · Part number S1554ALT4
The Dewey Electronics Corporation Div Pitometer Log Division · FSC 6320 — Shipboard Alarm and Signal Systems · FSG 63 — Alarm, Signal, and Security Detection Systems · CAGE 47496
Government record, cited
NSN 6320-00-445-1187 — this item is cataloged by the U.S. Government under National Stock Number 6320-00-445-1187. Manufacturer of record part number: S1554ALT4.
Also searched as6320-00-445-1187 ·
6320004451187 ·
NIIN 004451187 ·
00-445-1187 ·
FSC 6320 Shipboard Alarm and Signal Systems · CAGE 47496 · S1554ALT4
Nearby stock numbers← 6320-00-433-2773 Modification Kit, Ge
·
6320-00-445-1207 →
Features
Impeller,pump — FSC 6320
1 manufacturer part number on file
Manufacturer of record: The Dewey Electronics Corporation Div Pitometer Log Division
Identification
NSN: 6320-00-445-1187
NIIN: 004451187
FSC: 6320 — Shipboard Alarm and Signal Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
Primary part number: S1554ALT4
Manufacturer: The Dewey Electronics Corporation Div Pitometer Log Division
General Description
The Impeller,pump, cataloged under National Stock Number 6320-00-445-1187, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Impeller,pump
FSC / FSG
6320 — Shipboard Alarm and Signal Systems (FSG 63)
Manufacturers
The Dewey Electronics Corporation Div Pitometer Log Division (CAGE 47496)
Technical Specifications
Parameter
Value
NSN
6320-00-445-1187
Primary Part Number
S1554ALT4
Item Name
Impeller,pump
FSC / FSG
6320 / 63 — Shipboard Alarm and Signal Systems
Manufacturer
The Dewey Electronics Corporation Div Pitometer Log Division
The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Reference documents
Reference
Meaning
S1554ALT4
3/9Design control — primary reference
The Electric Tachometer Corp.
No interchangeability data on file.
Other items in FSC 6320 — Shipboard Alarm and Signal Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6320-00-004-9155
6320-00-004-9155 · Item name not on file
6320-00-004-9156
6320-00-004-9156 · Item name not on file
6320-00-004-9158
COPY,NEON,STOP
6320-00-007-5409
6320-00-007-5409 · Item name not on file
6320-00-007-5410
6320-00-007-5410 · Item name not on file
6320-00-024-1003
CONTACT AND SPRING
6320-00-024-1004
CONTACT AND SPRING
6320-00-025-9652
6320-00-025-9652 · Item name not on file
Frequently Asked Questions
What is NSN 6320-00-445-1187?
NSN 6320-00-445-1187 is a Impeller,pump, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
What part numbers are listed for NSN 6320-00-445-1187?
NSN 6320-00-445-1187 has 1 manufacturer part number on file: S1554ALT4 (The Dewey Electronics Corporation Div Pitometer Log Division).
Is NSN 6320-00-445-1187 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.