The Helmet,deep-Sea Diver's, cataloged under National Stock Number 4220-01-559-5540, 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 Kirby Morgan Dive Systems Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-01-559-5540 |
| Primary Part Number | 500-050 |
| Item Name | Helmet,deep-Sea Diver's |
| FSC / FSG | 4220 / 42 — No Item Name Available |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MANUFACTURERS ITEM NAME IS K-37 HELMET W/POSTS (BARE-WIRE) |
| Material | GLASS FIBER AND PLASTIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 500-050 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
NSN 4220-01-559-5540 is a Helmet,deep-Sea Diver's, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.
NSN 4220-01-559-5540 has 1 cross-referenced part number: 500-050 (Kirby Morgan Dive Systems Inc).
There are 9 known substitutes for 4220-01-559-5540: 5330-00-285-1346, 1610-00-305-5329, 5935-00-590-2182 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 500-050: General Characteristics Item Description: MANUFACTURERS ITEM NAME IS K-37 HELMET W/POSTS (BARE-WIRE); Special Features: SIDE AND TOP WEIGHTS; FIBERGLASS AND CARBON-FIBER SHELL; DEFOGGING STEADY FLOW VALVE; EGS VALVE; HEAD CUSHION; AIRTRAIN; SILICONE ORAL/NASAL MASK; NOSE BLOCK DEVICE; SUPERFLOW 350; GAS SUPPLY NON-RETURN VALVE; RAPID CHANGE MODULAR COMMUNICATIONS; POSITIVE LOCK WITH LATCH SYSTEM; QUAD-VALVE EXHAUST SYSTEM; INTERNAL ADJUSTING CHIN STRAP; ADJUSTING NECK PAD; Material: GLASS FIBER AND PLASTIC. 3 total characteristics are documented in the Federal Logistics Information System.