The Disk,valve, cataloged under National Stock Number 4820-01-386-4539, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 4 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-386-4539 |
| Primary Part Number | 1291 PIECE 4 3.0IN |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | CANCELLED |
| Style Designator | SWING CHECK |
| Media for Which Designed | STEAM OR WATER OR OIL |
| Material | COPPER ALLOY 922 |
| Material Document and Classification | ASTM B61 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1291 PIECE 4 3.0IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 3871-L-160 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 101132-3 | Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA) |
NSN 4820-01-386-4539 is a Disk,valve, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-386-4539 has 3 cross-referenced part numbers: 1291 PIECE 4 3.0IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 3871-L-160 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 101132-3 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings).
There are 2 known substitutes for 4820-01-386-4539: 4820-00-646-8286, 6150-01-072-0046. Verify interchangeability with system specifications before substitution.
Key specifications for 1291 PIECE 4 3.0IN: Style Designator: SWING CHECK; Media for Which Designed: STEAM OR WATER OR OIL; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS3; Material: COPPER ALLOY 922. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-386-4539 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.