The Element,temperature Regulating V, cataloged under National Stock Number 4820-00-533-5697, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-533-5697 |
| Primary Part Number | 313597 |
| Item Name | Element,temperature Regulating V |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL; SPIRALLY WOUND; 3.288 IN. O/A LG; 0.620 IN. BODY DIA; CROSS SHAPED ONE END; 0.518 IN. ID OTHER END 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 |
|---|---|
| 313597 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 313597 | 5/9 Secondary reference Triumph Actuation Systems - Connecticut, Llc Dba Triumph Actuation Systems |
| 313597 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 313597 | 5/9 Secondary reference Bmt Aerospace Usa, Inc. |
| 313597 | 5/9 Secondary reference Age Logistics Corporation |
NSN 4820-00-533-5697 is a Element,temperature Regulating V, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-533-5697 has 1 manufacturer part number on file: 313597 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-431-8999. Verify interchangeability with system specifications before substitution.
Key specifications for 313597: General Characteristics Item Description: MATL STEEL; SPIRALLY WOUND; 3.288 IN. O/A LG; 0.620 IN. BODY DIA; CROSS SHAPED ONE END; 0.518 IN. ID OTHER END 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.