The Tailpiece,angle, cataloged under National Stock Number 4820-01-184-4496, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-184-4496 |
| Item Name | Tailpiece,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER NICKEL ALLOY,MIL-C-20159,TY 1; 0.375 IN. WALL THK; 1.938 IN. ID; ONE END PLAIN FACE FLANGE; 5.562 IN. OD,6 HOLES,0.688 IN. DIA,EQUALLY SPACED,4.438 IN. DIA BOLT CIRCLE,0.812 IN. THK FLANGE; OTHER END RAISED FACE FLANGE,1.250 IN. THK FLANGE,4.750 IN. DIA BOLT CIRCLE,5 HOLES,0.812 IN. DIA,EQUALLY SPACED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SS845-2109889 PIECE 3 | 5/2 Secondary reference U.S. Government activity |
| 2640-645 PIECE 3 | 3/2 Design control — primary reference U.S. Government activity |
| 2640-645 | D/9 Drawing number reference only U.S. Government activity |
| SS845-2109889 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-184-4496 is a Tailpiece,angle, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-187-1993. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-184-4496: General Characteristics Item Description: COPPER NICKEL ALLOY,MIL-C-20159,TY 1; 0.375 IN. WALL THK; 1.938 IN. ID; ONE END PLAIN FACE FLANGE; 5.562 IN. OD,6 HOLES,0.688 IN. DIA,EQUALLY SPACED,4.438 IN. DIA BOLT CIRCLE,0.812 IN. THK FLANGE; OTHER END RAISED FACE FLANGE,1.250 IN. THK FLANGE,4.750 IN. DIA BOLT CIRCLE,5 HOLES,0.812 IN. DIA,EQUALLY SPACED IN; End Item Identification: VALVE ASSEMBLY,BALL,STANDARD,2.000 IN. LINE,0-650 PSI WP IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.