The Valve,temperature C, cataloged under National Stock Number 1680-01-028-8234, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,temperature C |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Rtx Corporation Div Pratt & Whitney (CAGE 55820); Meggitt North Hollywood Inc (CAGE 79318) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-028-8234 |
| Primary Part Number | 26450-1 |
| Item Name | Valve,temperature C |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| 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 |
|---|---|
| 26450-1 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| 26450-1 PRIMARY | Meggitt North Hollywood Inc (USA) |
| Reference | Meaning |
|---|---|
| 26450-1 | 5/9 Secondary reference U.S. Government activity |
| 209-073-100-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1680-01-028-8234 is a Valve,temperature C, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-028-8234 has 2 manufacturer part numbers on file: 26450-1 (Rtx Corporation Div Pratt & Whitney), 26450-1 (Meggitt North Hollywood Inc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-308-3527. Verify interchangeability with system specifications before substitution.
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 1680-01-028-8234 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.