The Valve,diver's Constant Reserve, cataloged under National Stock Number 4220-00-744-1248, 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 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4220-00-744-1248 |
| Primary Part Number | 0545-00 |
| Item Name | Valve,diver's Constant Reserve |
| FSC / FSG | 4220 / 42 — No Item Name Available |
| Manufacturer | Aqualung Usa, Inc |
| Status | CANCELLED |
| General Characteristics Item Description | FORGED BRASS,STAINLESS STEEL AND MANGANESE BRONZE INTERNAL PARTS,NYLON DISKS,MOLDED URETHANE PLASTIC KNOBS,VALVE HAS 3000 PSIG CONSTANT RESERVE ACTUATED BY MANUAL ON-OFF LEVER;3000 PSIG WP,W/O.750-14 NGS CYLINDER THD,1.375 IN. WRENCHING FLATS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4220-00-744-1248 is a Valve,diver's Constant Reserve, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: cancelled.
NSN 4220-00-744-1248 has 5 cross-referenced part numbers: 0518-00 (Aqualung Usa, Inc), 0545-00 (Zf Industrieantriebe Witten Gmbh), 0525 (Aqualung Usa, Inc), 0545-00 (Aqualung Usa, Inc), 0545 (Aqualung Usa, Inc).
There are 6 known substitutes for 4220-00-744-1248: 5940-00-148-0857, 6640-00-445-1609, 5905-00-501-9730 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 0545-00: General Characteristics Item Description: FORGED BRASS,STAINLESS STEEL AND MANGANESE BRONZE INTERNAL PARTS,NYLON DISKS,MOLDED URETHANE PLASTIC KNOBS,VALVE HAS 3000 PSIG CONSTANT RESERVE ACTUATED BY MANUAL ON-OFF LEVER;3000 PSIG WP,W/O.750-14 NGS CYLINDER THD,1.375 IN. WRENCHING FLATS IN. 1 total characteristics are documented in the Federal Logistics Information System.
NSN 4220-00-744-1248 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.