The Valve,check, cataloged under National Stock Number 4820-01-463-4108, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Apco/valve & Primer Corp. Government technical data includes 10 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-463-4108 |
| Primary Part Number | 103.11 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Apco/valve & Primer Corp |
| Status | CANCELLED |
| Face to Face Distance | 9.000 INCHES IN |
| Material | COPPER ALLOY BODY |
| Nominal Outside Diameter | 6.625 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Flange Shape | ROUND ALL ENDS |
| Nominal Thickness | 0.500 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Valve Size | 3.000 INCHES IN |
| Mounting Position | HORIZONTAL |
| Flange Face Design | PLAIN ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S-103-1 | Apco/valve & Primer Corp (USA) |
| SS-796 | Val-Matic Valve and Manufacturing Corporation (USA) |
| 503NX001 | Val-Matic Valve and Manufacturing Corporation (USA) |
| 103.11 PRIMARY | Apco/valve & Primer Corp (USA) |
| SS-796 REV 5-8-98 | Val-Matic Valve and Manufacturing Corporation (USA) |
NSN 4820-01-463-4108 is a Valve,check, manufactured by Apco/valve & Primer Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-463-4108 has 5 cross-referenced part numbers: S-103-1 (Apco/valve & Primer Corp), SS-796 (Val-Matic Valve and Manufacturing Corporation), 503NX001 (Val-Matic Valve and Manufacturing Corporation), 103.11 (Apco/valve & Primer Corp), SS-796 REV 5-8-98 (Val-Matic Valve and Manufacturing Corporation).
There are 3 known substitutes for 4820-01-463-4108: 2540-00-359-2422, 4730-00-391-3777, 4820-01-465-5256. Verify interchangeability with system specifications before substitution.
Key specifications for 103.11: Face to Face Distance: 9.000 INCHES IN; Material: COPPER ALLOY BODY; Nominal Outside Diameter: 6.625 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU FLANGED ENDS. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-463-4108 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.