The Disk,trap,thermodyn, cataloged under National Stock Number 4730-00-077-1072, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-077-1072 |
| Primary Part Number | 56635 |
| Item Name | Disk,trap,thermodyn |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,1.625 IN. OD,0.125 IN. THK,2 GROOVES 1.125 IN. DIA AND 1.188 IN. DIA IN |
| 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 |
|---|---|
| 56635 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| 54499 | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
NSN 4730-00-077-1072 is a Disk,trap,thermodyn, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-077-1072 has 1 manufacturer part number on file: 56635 (Spirax Sarco Inc Dba Spirax Sarco).
3 possible matches (shared part number, not a government interchangeability claim): 1620-00-083-5910, 5355-00-415-2243, 2910-01-677-8369. Verify interchangeability with system specifications before substitution.
Key specifications for 56635: General Characteristics Item Description: STEEL,1.625 IN. OD,0.125 IN. THK,2 GROOVES 1.125 IN. DIA AND 1.188 IN. DIA IN. 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.