The Tailpiece,straight, cataloged under National Stock Number 4820-01-175-0065, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-175-0065 |
| Item Name | Tailpiece,straight |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL NICKEL-COPPER,QQ-N-281,CL A HR,LENGTH 4.342 IN.,ONE END IS SQUARE 4.312 IN.,OTHER END 3.812 IN. DIA IN |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 2640-683X2 PIECE3 | 5/1 Secondary reference U.S. Government activity |
| 2640-683X2 PIECE 3L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SS845-2180927 PIECE 3L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| SS845-2180927 PIECE 3 | 5/9 Secondary reference Electro Mech Co |
| SS845-2180927 PIECE 3 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-01-175-0065 is a Tailpiece,straight, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-175-0065: General Characteristics Item Description: MATERIAL NICKEL-COPPER,QQ-N-281,CL A HR,LENGTH 4.342 IN.,ONE END IS SQUARE 4.312 IN.,OTHER END 3.812 IN. DIA IN; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 3 specifications are 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.
NSN 4820-01-175-0065 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.