The Waterhead, cataloged under National Stock Number 3655-01-155-5975, 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 Ingersoll-Rand Company Dba Rotary Compressor Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3655-01-155-5975 |
| Primary Part Number | R69123 |
| Item Name | Waterhead |
| FSC / FSG | 3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| General Characteristics Item Description | 7.750 IN. H; 5.000 IN. W; 1.250 IN. D; 2 0.750 IN. DIA HOLES; 3 0.250 IN. DIA HOLES; SPECIAL CLEANING NOT REQUIRED 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 |
|---|---|
| R69123 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| R69123 | 5/9 Secondary reference U.S. Government activity |
NSN 3655-01-155-5975 is a Waterhead, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
NSN 3655-01-155-5975 has 1 manufacturer part number on file: R69123 (Ingersoll-Rand Company Dba Rotary Compressor Division).
Key specifications for R69123: General Characteristics Item Description: 7.750 IN. H; 5.000 IN. W; 1.250 IN. D; 2 0.750 IN. DIA HOLES; 3 0.250 IN. DIA HOLES; SPECIAL CLEANING NOT REQUIRED 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.