The Valve,gage Protector, cataloged under National Stock Number 4820-00-209-1729, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Operating & Maintenance Specialties Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-00-209-1729 |
| Primary Part Number | 011D-2-2-L |
| Item Name | Valve,gage Protector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Operating & Maintenance Specialties Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM;ANODIZED;2 THD EXT TUBE END CONNECTIONS UNF 0.438-20 RH,2B WITH 37.0 DEG FLARE;IN LINE FLOW PATTERN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 011D-2-2-L PRIMARY | Operating & Maintenance Specialties Inc (USA) |
| Reference | Meaning |
|---|---|
| 11D2-2L | 5/9 Secondary reference Operating & Maintenance Specialties Inc |
NSN 4820-00-209-1729 is a Valve,gage Protector, manufactured by Operating & Maintenance Specialties Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-209-1729 has 1 manufacturer part number on file: 011D-2-2-L (Operating & Maintenance Specialties Inc).
Key specifications for 011D-2-2-L: General Characteristics Item Description: ALUMINUM;ANODIZED;2 THD EXT TUBE END CONNECTIONS UNF 0.438-20 RH,2B WITH 37.0 DEG FLARE;IN LINE FLOW PATTERN. 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.