PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74184-1Generator,pilot

Drs Environmental Systems Inc · NSN 4520-01-085-7699 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-085-7699 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-085-7699. Primary manufacturer part number: 74184-1.
Features
  • Generator,pilot — FSC 4520
  • 5 verified cross-references
  • Primary manufacturer: Drs Environmental Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Generator,pilot, cataloged under National Stock Number 4520-01-085-7699, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Drs Environmental Systems Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGenerator,pilot
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersDrs Environmental Systems Inc (CAGE 5RQL2); Keco Industries, Inc. (CAGE 94833); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Hdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4520-01-085-7699
Primary Part Number74184-1
Item NameGenerator,pilot
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-01-103-809174213 INTERCHANGEABLE
Wafer,thrust
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4820-01-103-913674193 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5365-01-134-990074208 INTERCHANGEABLE
Bushing,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4820-01-199-787574184-1 INTERCHANGEABLE
Valve,butterfly
Sarco Inc
5895-01-569-556074184 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
74184-1 Drs Environmental Systems Inc (USA)
74184-1 Keco Industries, Inc. (USA)
4520PL1031652 Jednolity Indeks Materialowy - Uniform Material Index (POL)
74184 Keco Industries, Inc. (USA)
74184-1 Hdt Expeditionary Systems Inc (USA)
Related Parts
4820-01-103-8091INTERCHANGEABLE
WAFER,THRUST
74213
4820-01-103-9136INTERCHANGEABLE
DISK,VALVE
74193
5365-01-134-9900INTERCHANGEABLE
BUSHING,VALVE
74208
4820-01-199-7875INTERCHANGEABLE
VALVE,BUTTERFLY
74184-1
5895-01-569-5560INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
74184

Frequently Asked Questions

What is NSN 4520-01-085-7699?

NSN 4520-01-085-7699 is a Generator,pilot, manufactured by Drs Environmental Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-085-7699?

NSN 4520-01-085-7699 has 5 cross-referenced part numbers: 74184-1 (Drs Environmental Systems Inc), 74184-1 (Keco Industries, Inc.), 4520PL1031652 (Jednolity Indeks Materialowy - Uniform Material Index), 74184 (Keco Industries, Inc.), 74184-1 (Hdt Expeditionary Systems Inc).

What NSN replaces 4520-01-085-7699?

There are 5 known substitutes for 4520-01-085-7699: 4820-01-103-8091, 4820-01-103-9136, 5365-01-134-9900 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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