The Cock,drain, cataloged under National Stock Number 4820-00-287-5603, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Arnold a Semler Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-287-5603 |
| Primary Part Number | 122332 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Arnold a Semler Inc |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4820-00-287-5603 is a Cock,drain, manufactured by Arnold a Semler Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-287-5603 has 5 cross-referenced part numbers: 122332 (Arnold a Semler Inc), 48993 (Dresser, Llc), 8332243 (U S Army Tank Automotive Command Amsta-Im-Mm), 122332 (Tappan Co the), 48993 (Dresser Industries Inc Waukesha Engine Div).
There are 4 known substitutes for 4820-00-287-5603: 7025-01-089-9977, 4910-01-323-5209, 4820-01-437-9347 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 122332: Thread Direction: RIGHT-HAND ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU. 9 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-287-5603 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.