PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1050-1Filter Box,electronic

The Boeing Company · NSN 4920-01-264-3978 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-264-3978 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-264-3978. Primary manufacturer part number: 1050-1.
Features
  • Filter Box,electronic — FSC 4920
  • General Characteristics Item Description: 8.344 IN. L; 5.561 IN. W; 3.719 IN. H IN
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Box,electronic, cataloged under National Stock Number 4920-01-264-3978, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is The Boeing Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-264-3978
Primary Part Number1050-1
Item NameFilter Box,electronic
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
General Characteristics Item Description8.344 IN. L; 5.561 IN. W; 3.719 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-045-116161114 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
6695-00-138-951310501 INTERCHANGEABLE
Meter Movement
The Aeronautical Instrument and Radio Company Dba the Aeronautical Instrument and Radio Company Div the Aeronautical Instrument and
5310-00-148-8916 INTERCHANGEABLE
Washer,flat
6515-00-426-951410501 INTERCHANGEABLE
Syringe,oral
Smith and Nephew Inc Smith and Nephew Equipment Div
5940-00-642-072510034235 INTERCHANGEABLE
Terminal,stud
Us Army Aviation and Missile Command
5310-00-767-4814 INTERCHANGEABLE
Washer,flat
5310-00-939-0850MS21083C08 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-070-2836 INTERCHANGEABLE
Lockwasher Set,disc
6515-01-141-159610501 INTERCHANGEABLE
Impression Material,ear
Westone Laboratories Inc Div Westone Labs Inc
5930-01-178-4023 INTERCHANGEABLE
Switch,electrical
Cross-Reference Index
Part NumberManufacturer
1050-1 PRIMARY The Boeing Company (USA)
1050-1 Avtron Aerospace Inc (USA)
Related Parts
5950-00-045-1161INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61114
6695-00-138-9513INTERCHANGEABLE
METER MOVEMENT
10501
5310-00-148-8916INTERCHANGEABLE
WASHER,FLAT
6515-00-426-9514INTERCHANGEABLE
SYRINGE,ORAL
10501
5940-00-642-0725INTERCHANGEABLE
TERMINAL,STUD
10034235
5310-00-767-4814INTERCHANGEABLE
WASHER,FLAT
5310-00-939-0850INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21083C08
5310-01-070-2836INTERCHANGEABLE
LOCKWASHER SET,DISC
6515-01-141-1596INTERCHANGEABLE
IMPRESSION MATERIAL,EAR
10501
5930-01-178-4023INTERCHANGEABLE
SWITCH,ELECTRICAL
4730-01-178-4873INTERCHANGEABLE
ORIFICE,VALVE
8886
4820-01-227-2514INTERCHANGEABLE
MANIFOLD ASSEMBLY
10501

Frequently Asked Questions

What is NSN 4920-01-264-3978?

NSN 4920-01-264-3978 is a Filter Box,electronic, manufactured by The Boeing Company, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-264-3978?

NSN 4920-01-264-3978 has 2 cross-referenced part numbers: 1050-1 (The Boeing Company), 1050-1 (Avtron Aerospace Inc).

What NSN replaces 4920-01-264-3978?

There are 12 known substitutes for 4920-01-264-3978: 5950-00-045-1161, 6695-00-138-9513, 5310-00-148-8916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1050-1?

Key specifications for 1050-1: End Item Identification: H-46,H-47 ACFT; General Characteristics Item Description: 8.344 IN. L; 5.561 IN. W; 3.719 IN. H IN. 2 total characteristics are documented in the Federal Logistics Information System.

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