The Block,spring, cataloged under National Stock Number 4220-00-066-2445, 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 Aqualung Usa, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4220-00-066-2445 |
| Primary Part Number | 1000-23 |
| Item Name | Block,spring |
| FSC / FSG | 4220 / 42 — No Item Name Available |
| Manufacturer | Aqualung Usa, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS,0.219 IN. LG O/A,BODY 0.218 IN. DIA,0.141 IN. LG,FLANGE 0.497 IN. DIA 0.078 IN. THK,8 SLOTS,0.030 IN. DEEP IN RIM OF FLANGE,BORE 0.1200 IN. DIA,0.219 IN. LG IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4220-00-066-2445 is a Block,spring, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: active.
NSN 4220-00-066-2445 has 3 cross-referenced part numbers: 1000-23 (Aqualung Usa, Inc), 1000-23 (Barber-Greene Co Mine and Smelter Div), 106208 (Aqualung Usa, Inc).
There are 12 known substitutes for 4220-00-066-2445: 5306-00-010-0023, 5910-00-119-9300, 5325-00-162-0380 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1000-23: General Characteristics Item Description: BRASS,0.219 IN. LG O/A,BODY 0.218 IN. DIA,0.141 IN. LG,FLANGE 0.497 IN. DIA 0.078 IN. THK,8 SLOTS,0.030 IN. DEEP IN RIM OF FLANGE,BORE 0.1200 IN. DIA,0.219 IN. LG IN. 1 total characteristics are documented in the Federal Logistics Information System.