The Valve,oxygen, cataloged under National Stock Number 1660-01-210-8517, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-210-8517 |
| Primary Part Number | 20C-0051-2 |
| Item Name | Valve,oxygen |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| FSC Application Data | OXYGEN ACCUMULATOR P/NL5305205-011 |
| General Characteristics Item Description | 3.180 IN. LG; 2.343 IN. W; DISC RUPTURE PRESSURE 2700 PSIG TO 3000 PSIG; WEIGHT 14 OZ. MAX; PROOF PRESSURE 5000 PSIG (HYDRAULIC) OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 20C-0051-2 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
| Reference | Meaning |
|---|---|
| 8148650 | A/1 Packaging identification reference U.S. Government activity |
NSN 1660-01-210-8517 is a Valve,oxygen, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-210-8517 has 1 manufacturer part number on file: 20C-0051-2 (Essex Industries, Inc. Dba Essex Industries).
Key specifications for 20C-0051-2: FSC Application Data: OXYGEN ACCUMULATOR P/NL5305205-011; General Characteristics Item Description: 3.180 IN. LG; 2.343 IN. W; DISC RUPTURE PRESSURE 2700 PSIG TO 3000 PSIG; WEIGHT 14 OZ. MAX; PROOF PRESSURE 5000 PSIG (HYDRAULIC) OZ; End Item Identification: B-1B ACFT. 2 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 1660-01-210-8517 has DEMIL Code D. 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.