PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57376-00Retainer,spring

Avox Systems Inc Dba Avox Systems Inc · NSN 4220-00-022-2981 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-00-022-2981 — this item is cataloged by the U.S. Government under National Stock Number 4220-00-022-2981. Primary manufacturer part number: 57376-00.
Features
  • Retainer,spring — FSC 4220
  • 5 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Retainer,spring, cataloged under National Stock Number 4220-00-022-2981, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,spring
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersAllied Healthcare Products, Inc. Dba Allied (CAGE 62842); Allied Healthcare Products Inc Chemetron Medical Div Replacement CAGE Code 62842 (CAGE 11978); Avox Systems Inc Dba Avox Systems Inc (CAGE 53655)
Technical Specifications
ParameterValue
NSN4220-00-022-2981
Primary Part Number57376-00
Item NameRetainer,spring
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-276-6100 INTERCHANGEABLE
Grommet,nonmetallic
6625-00-486-63142283 INTERCHANGEABLE
Divider,power,radio Frequency
Microwave Filter Co Inc
9540-00-528-9350 INTERCHANGEABLE
Beam,structural
1040-00-605-6068B81-1-3849 INTERCHANGEABLE
Strainer
Edgewood Chemical Biological Center Ecbc
4510-00-606-53262283 INTERCHANGEABLE
Toilet,aircraft
Mag Aerospace Industries, Llc Div Safran Cabins
5950-00-615-97862283 INTERCHANGEABLE
Coil,radio Frequency
Entron Industries Limited Partnership Dba Entron Industries Property Div
3020-00-801-54752283 INTERCHANGEABLE
Gear,spur
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-908-1954 INTERCHANGEABLE
Gasket
5365-01-154-9305 INTERCHANGEABLE
Bushing
1095-01-175-35122283 INTERCHANGEABLE
Air Inlet,combustion
Dcm Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
2283 Allied Healthcare Products, Inc. Dba Allied (USA)
46-2283 Allied Healthcare Products Inc Chemetron Medical Div Replacement CAGE Code 62842 (USA)
2283 Allied Healthcare Products Inc Chemetron Medical Div Replacement CAGE Code 62842 (USA)
46-2283 Allied Healthcare Products, Inc. Dba Allied (USA)
57376-00 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
5325-00-276-6100INTERCHANGEABLE
GROMMET,NONMETALLIC
6625-00-486-6314INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
2283
9540-00-528-9350INTERCHANGEABLE
BEAM,STRUCTURAL
1040-00-605-6068INTERCHANGEABLE
STRAINER
B81-1-3849
4510-00-606-5326INTERCHANGEABLE
TOILET,AIRCRAFT
2283
5950-00-615-9786INTERCHANGEABLE
COIL,RADIO FREQUENCY
2283
3020-00-801-5475INTERCHANGEABLE
GEAR,SPUR
2283
5330-00-908-1954INTERCHANGEABLE
GASKET
5365-01-154-9305INTERCHANGEABLE
BUSHING
1095-01-175-3512INTERCHANGEABLE
AIR INLET,COMBUSTION
2283
5950-01-178-8243INTERCHANGEABLE
COIL,RADIO FREQUENCY
269509
5975-01-366-0326INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2283

Frequently Asked Questions

What is NSN 4220-00-022-2981?

NSN 4220-00-022-2981 is a Retainer,spring, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-00-022-2981?

NSN 4220-00-022-2981 has 5 cross-referenced part numbers: 2283 (Allied Healthcare Products, Inc. Dba Allied), 46-2283 (Allied Healthcare Products Inc Chemetron Medical Div Replacement CAGE Code 62842), 2283 (Allied Healthcare Products Inc Chemetron Medical Div Replacement CAGE Code 62842), 46-2283 (Allied Healthcare Products, Inc. Dba Allied), 57376-00 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4220-00-022-2981?

There are 12 known substitutes for 4220-00-022-2981: 5325-00-276-6100, 6625-00-486-6314, 9540-00-528-9350 and 9 more. Verify interchangeability with system specifications before substitution.

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