PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

370-1020Plug,ear

Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear · NSN 6515-01-552-0224 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-552-0224 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-552-0224. Primary manufacturer part number: 370-1020.
Features
  • Plug,ear — FSC 6515
  • 7 verified cross-references
  • Primary manufacturer: Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plug,ear, cataloged under National Stock Number 6515-01-552-0224, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6515-01-552-0224
Primary Part Number370-1020
Item NamePlug,ear
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerAearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6515-01-552-0229 (370-1021)
HAZMATNo
Verified Substitutes 6
6515-01-552-0229370-1021 SUCCESSOR
Plug,ear
3m Company
5920-00-975-9834 INTERCHANGEABLE
Fuseholder,block
6520-01-194-2251 INTERCHANGEABLE
Crown,dental,temporary
5365-01-358-4845 INTERCHANGEABLE
Ring,retaining,instrument
6550-01-413-95263918 INTERCHANGEABLE
Test Strips,glucose
Bayer Corp Diagnostics Div
5977-01-505-87463918 INTERCHANGEABLE
Holder,electrical Contact Brush
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
370-1020 Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear (USA)
3918 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
COMBAT ARMS E.A.R Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear (USA)
370-1020 3m Company (USA)
7100193144 3m Company (USA)
COMBAT ARMS E.A.R 3m Company (USA)
6515NCM071461 Defense Medical Standardization Board (USA)
Related Parts
SUCCESSOR 6515-01-552-0229 Plug,ear · 370-1021
5920-00-975-9834INTERCHANGEABLE
FUSEHOLDER,BLOCK
6520-01-194-2251INTERCHANGEABLE
CROWN,DENTAL,TEMPORARY
5365-01-358-4845INTERCHANGEABLE
RING,RETAINING,INSTRUMENT
6550-01-413-9526INTERCHANGEABLE
TEST STRIPS,GLUCOSE
3918
5977-01-505-8746INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
3918

Frequently Asked Questions

What is NSN 6515-01-552-0224?

NSN 6515-01-552-0224 is a Plug,ear, manufactured by Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear, classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-552-0224?

NSN 6515-01-552-0224 has 7 cross-referenced part numbers: 370-1020 (Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear), 3918 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), COMBAT ARMS E.A.R (Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear), 370-1020 (3m Company), 7100193144 (3m Company) and 2 more.

What NSN replaces 6515-01-552-0224?

There are 6 known substitutes for 6515-01-552-0224: 6515-01-552-0229, 5920-00-975-9834, 6520-01-194-2251 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 370-1020?

Key specifications for 370-1020: Part Name Assigned by Controlling Agency: EAR PLUG COMBAT ARMS W/PISTOL GRIP SM 50PR; Special Features: COMBAT ARMS EAR PLUGS, WITH PISTOL GRIP; SIZE: SMALL; 50 INDIVIDUAL PAIRS; ALLOWS WEARERS TO HEAR LOW-LEVEL SOUNDS CRITICAL TO MMISSION SAFETY(CONVERSATION,FOOT STEPS, RIFLE BOLTS, APPROACHING ENEMIES), YET PROVIDES INSTANT PROTECTION FROM HIGH LEVEL NOISES. 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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