The Diaphragm,rolling,valve, cataloged under National Stock Number 1660-01-055-2170, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1660-01-055-2170 |
| Primary Part Number | 82411-1 |
| Item Name | Diaphragm,rolling,valve |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | DACRON FABRIC IMPREGNATED WITH FLUOROSILICONE TYPE G,1.500 IN. DIA,1.250 IN. H,1 HOLE 0.180 IN. DIA THRU,OPERATING TEMP M65.0 TO 205.0 DEG F,OPERATING PRESSURE 18 PORM 2 PSIG,PROOF PRESSURE 55.0 PSIG AT 160.0 DEG F,BURST PRESSURE 75.0 PSIG AT 160.0 DEG F,ENVIRONMENTAL FLUID AIR WITH MOISTURE,DUST AND TRACES OF ENGINE OIL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 82411-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| 82411-1 | Bellofram Corporation (USA) |
| Reference | Meaning |
|---|---|
| 82411-1 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
| 3-150-125-CBG-1 | 5/9 Secondary reference Bellofram Corporation |
NSN 1660-01-055-2170 is a Diaphragm,rolling,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-055-2170 has 2 manufacturer part numbers on file: 82411-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 82411-1 (Bellofram Corporation).
Key specifications for 82411-1: General Characteristics Item Description: DACRON FABRIC IMPREGNATED WITH FLUOROSILICONE TYPE G,1.500 IN. DIA,1.250 IN. H,1 HOLE 0.180 IN. DIA THRU,OPERATING TEMP M65.0 TO 205.0 DEG F,OPERATING PRESSURE 18 PORM 2 PSIG,PROOF PRESSURE 55.0 PSIG AT 160.0 DEG F,BURST PRESSURE 75.0 PSIG AT 160.0 DEG F,ENVIRONMENTAL FLUID AIR WITH MOISTURE,DUST AND TRACES OF ENGINE OIL IN; End Item Identification: VALVE P/N 11131-2 ACFT F16A/B. 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.
NSN 1660-01-055-2170 has DEMIL Code Q. 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.