The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-267-2669, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-267-2669 |
| Primary Part Number | NB14307 P/L1971 ITEM 12 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Pressure Rating | 500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| 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 |
|---|---|
| NB14307 P/L1971 ITEM 12 | Hale Hamilton (valves) Ltd Div Cad Uxbridge (GBR) |
| NB14307 P/L1971 ITEM 12 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| NB14307 | D/9 Drawing number reference only U.S. Government activity |
| NB14307 P/L1971 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-267-2669 is a Diaphragm,valve,flat, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-267-2669 has 2 manufacturer part numbers on file: NB14307 P/L1971 ITEM 12 (Hale Hamilton (valves) Ltd Div Cad Uxbridge), NB14307 P/L1971 ITEM 12 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for NB14307 P/L1971 ITEM 12: Pressure Rating: 500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 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.