The Cylinder,air,detector, cataloged under National Stock Number 6665-01-005-7059, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Swagelok Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6665-01-005-7059 |
| Primary Part Number | 304-HDF-4-150 |
| Item Name | Cylinder,air,detector |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| General Characteristics Item Description | AIR SAMPLING TYPE,150.0 CUBIC CENTIMETERS INTERNAL VOLUME CAPACITY,1800.0 PSIG RATING,1/4 IN. FEMALE NPTSINGLE END PORT,STAINLESS STEEL,1.500 IN. DIA,8.250 IN. LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 304-HDF-4-150 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 304-HDF-4-150 | 5/9 Secondary reference Nupro Co |
NSN 6665-01-005-7059 is a Cylinder,air,detector, manufactured by Swagelok Co, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-005-7059 has 1 manufacturer part number on file: 304-HDF-4-150 (Swagelok Co).
Key specifications for 304-HDF-4-150: General Characteristics Item Description: AIR SAMPLING TYPE,150.0 CUBIC CENTIMETERS INTERNAL VOLUME CAPACITY,1800.0 PSIG RATING,1/4 IN. FEMALE NPTSINGLE END PORT,STAINLESS STEEL,1.500 IN. DIA,8.250 IN. LG IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.