PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1981Test Station,pneumatic System Co

Avitest Llc · NSN 4920-01-487-8363 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-487-8363 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-487-8363. Primary manufacturer part number: 1981.
Features
  • Test Station,pneumatic System Co — FSC 4920
  • Reference Data and Literature: 33A4-12-4-4
  • Functional Classification: AA-9.3
  • Functional Description: USED FOR FUNCTIONAL TESTING OF AIRCRAFT PNEUMATIC AND ELECTRO-PNEUMATICCOMPONENTS
  • 4 verified cross-references
  • Primary manufacturer: Avitest Llc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Station,pneumatic System Co, cataloged under National Stock Number 4920-01-487-8363, 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 Avitest Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-487-8363
Primary Part Number1981
Item NameTest Station,pneumatic System Co
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAvitest Llc
StatusACTIVE
Reference Data and Literature33A4-12-4-4
Functional ClassificationAA-9.3
Functional DescriptionUSED FOR FUNCTIONAL TESTING OF AIRCRAFT PNEUMATIC AND ELECTRO-PNEUMATICCOMPONENTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-120-43381269682 INTERCHANGEABLE
Roller,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3830-00-496-77731981 INTERCHANGEABLE
Hose Assy,rubber
New Holland Construction
5325-01-099-6090SM-B-447175-4 INTERCHANGEABLE
Eyelet,metallic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-203-655112342961 INTERCHANGEABLE
Seal,plain Encased
Norman Technology, Inc. Dba Nti Seals
4240-01-565-54691981 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5120-01-650-5693 INTERCHANGEABLE
Socket,socket Wrench
5340-01-721-05171981 INTERCHANGEABLE
Boot,dust and Moisture Seal
Masimo Corporation
6675-01-733-4441198-1 INTERCHANGEABLE
Trivet,surveying Instrument
Brunson Instrument Company Dba Brunson Instrument Co
Cross-Reference Index
Part NumberManufacturer
4920PL0792456 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1981 PRIMARY Avitest Llc (USA)
4920PL1395174 Jednolity Indeks Materialowy - Uniform Material Index (POL)
1981 Aviation Technology, Inc. (USA)
Related Parts
3110-00-120-4338INTERCHANGEABLE
ROLLER,BEARING
1269682
3830-00-496-7773INTERCHANGEABLE
HOSE ASSY,RUBBER
1981
5325-01-099-6090INTERCHANGEABLE
EYELET,METALLIC
SM-B-447175-4
5330-01-203-6551INTERCHANGEABLE
SEAL,PLAIN ENCASED
12342961
4240-01-565-5469INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1981
5120-01-650-5693INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-01-721-0517INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
1981
6675-01-733-4441INTERCHANGEABLE
TRIVET,SURVEYING INSTRUMENT
198-1

Frequently Asked Questions

What is NSN 4920-01-487-8363?

NSN 4920-01-487-8363 is a Test Station,pneumatic System Co, manufactured by Avitest Llc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-487-8363?

NSN 4920-01-487-8363 has 4 cross-referenced part numbers: 4920PL0792456 (Jednolity Indeks Materialowy - Uniform Material Index), 1981 (Avitest Llc), 4920PL1395174 (Jednolity Indeks Materialowy - Uniform Material Index), 1981 (Aviation Technology, Inc.).

What NSN replaces 4920-01-487-8363?

There are 8 known substitutes for 4920-01-487-8363: 3110-00-120-4338, 3830-00-496-7773, 5325-01-099-6090 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1981?

Key specifications for 1981: Reference Data and Literature: 33A4-12-4-4; Functional Classification: AA-9.3; Functional Description: USED FOR FUNCTIONAL TESTING OF AIRCRAFT PNEUMATIC AND ELECTRO-PNEUMATICCOMPONENTS. 3 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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