NSN 6610-00-883-2804 · NIIN 008832804 · Part number 42771
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · FSC 6610 — Flight Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 50027
Government record, cited
NSN 6610-00-883-2804 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-883-2804. Manufacturer of record part number: 42771.
Also searched as6610-00-883-2804 ·
6610008832804 ·
NIIN 008832804 ·
00-883-2804 ·
FSC 6610 Flight Instruments · CAGE 50027 · 42771
Manufacturer of record: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Identification
NSN: 6610-00-883-2804
NIIN: 008832804
FSC: 6610 — Flight Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 42771
Manufacturer: Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
General Description
The Marker,indicator,mi, cataloged under National Stock Number 6610-00-883-2804, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory 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. 4 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
Marker,indicator,mi
FSC / FSG
6610 — Flight Instruments (FSG 66)
Manufacturers
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (CAGE 50027)
Technical Specifications
Parameter
Value
NSN
6610-00-883-2804
Primary Part Number
42771
Item Name
Marker,indicator,mi
FSC / FSG
6610 / 66 — Flight Instruments
Manufacturer
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4140-01-394-416642771POSSIBLE MATCH
IMPELLER,FAN,AXIAL
Possible match (shared part number)Brunswick Corp Dba Mercury Marine Div Mercury Marine
5985-01-514-44084277-1POSSIBLE MATCH
ACCESSORY KIT,ANTENNA
Possible match (shared part number)Shakespeare Company, Llc Div Military Electronics
5930-01-520-787227029-209POSSIBLE MATCH
SWITCH,PUSH
Possible match (shared part number)Korry Electronics Co
5930-01-520-792027029-201POSSIBLE MATCH
SWITCH,PUSH
Possible match (shared part number)Korry Electronics Co
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
4140-01-394-4166POSSIBLE MATCH
IMPELLER,FAN,AXIAL
42771
5985-01-514-4408POSSIBLE MATCH
ACCESSORY KIT,ANTENNA
4277-1
5930-01-520-7872POSSIBLE MATCH
SWITCH,PUSH
27029-209
5930-01-520-7920POSSIBLE MATCH
SWITCH,PUSH
27029-201
Frequently Asked Questions
What is NSN 6610-00-883-2804?
NSN 6610-00-883-2804 is a Marker,indicator,mi, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6610, Flight Instruments. Status: active.
What part numbers are listed for NSN 6610-00-883-2804?
NSN 6610-00-883-2804 has 1 manufacturer part number on file: 42771 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
What NSN replaces 6610-00-883-2804?
4 possible matches (shared part number, not a government interchangeability claim): 4140-01-394-4166, 5985-01-514-4408, 5930-01-520-7872. Verify interchangeability with system specifications before substitution.
Is NSN 6610-00-883-2804 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.
What is the DEMIL code for NSN 6610-00-883-2804?
NSN 6610-00-883-2804 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.