The Column Assembly,high Pressure, cataloged under National Stock Number 3655-00-929-8699, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. The manufacturer of record is Greenfield Compression 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3655-00-929-8699 |
| Primary Part Number | H5-180-07-0121 |
| Item Name | Column Assembly,high Pressure |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Greenfield Compression Inc. |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR USE ON OXYGEN-NITROGEN GENERATOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H5-180-07-0121 | Greenfield Compression Inc. (USA) |
| Reference | Meaning |
|---|---|
| 80-30-07-10 | 3/1 Design control — primary reference Air Products & Chemicals, Inc |
| 61593E | 5/9 Secondary reference Greenfield Compression Inc. |
| 80-30-70-10 | 5/1 Secondary reference Air Products & Chemicals, Inc |
NSN 3655-00-929-8699 is a Column Assembly,high Pressure, manufactured by Greenfield Compression Inc., classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-00-929-8699 has 1 manufacturer part number on file: H5-180-07-0121 (Greenfield Compression Inc.).
Key specifications for H5-180-07-0121: Reference Number Differentiating Characteristics: SELECTED AND TESTED FOR USE ON OXYGEN-NITROGEN GENERATOR. 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.
NSN 3655-00-929-8699 has DEMIL Code G. 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.