The Protector,hearing, cataloged under National Stock Number 4240-01-505-0050, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Square D Co Monroe Plant. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-505-0050 |
| Primary Part Number | H10A |
| Item Name | Protector,hearing |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Square D Co Monroe Plant |
| Status | ACTIVE |
| Body Style | HEADSET, COVERED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-505-0050 is a Protector,hearing, manufactured by Square D Co Monroe Plant, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-505-0050 has 2 cross-referenced part numbers: H10A (Aearo Company), H10A (Square D Co Monroe Plant).
There are 3 known substitutes for 4240-01-505-0050: 4940-00-994-1803, 4240-01-534-3386, 4240-01-709-1457. Verify interchangeability with system specifications before substitution.
Key specifications for H10A: Special Features: H10A HAS THE HIGHEST NOISE REDUCTION RATING ON THE MARKET THAT HAS BEEN TESTED BY AN ACCREDITED FACILITY; Body Style: HEADSET, COVERED. 2 total characteristics are documented in the Federal Logistics Information System.