The Adapter,speedometer-Tachometer D, cataloged under National Stock Number 6680-01-088-5594, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rolls-Royce Solutions America Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-088-5594 |
| Primary Part Number | 8926980 |
| Item Name | Adapter,speedometer-Tachometer D |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 8926980 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 4118060250 PRIMARY | Clark Brothers Instrument Co (USA) |
| SP-256 .250 | Gilmore-Global Instruments Co Inc (USA) |
| 8926980 | Penn Power Group Llc Div Government Services Department (USA) |
| Reference | Meaning |
|---|---|
| SP-256 .250 | 5/9 Secondary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| 1A11256 | 5/9 Secondary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| SP-256 | 5/9 Secondary reference Norma Pennsylvania Inc. Div Breeze Industrial Products |
| 5107383 | 5/9 Secondary reference Rolls-Royce Solutions America Inc |
| 6680010885594 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 6680-01-088-5594 is a Adapter,speedometer-Tachometer D, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-088-5594 has 4 manufacturer part numbers on file: 8926980 (Rolls-Royce Solutions America Inc), 4118060250 (Clark Brothers Instrument Co), SP-256 .250 (Gilmore-Global Instruments Co Inc), 8926980 (Penn Power Group Llc Div Government Services Department).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-346-2690. Verify interchangeability with system specifications before substitution.
Key specifications for 8926980: Special Features: 90 DEG ANGLE DRIVE; End Item Identification: 4210-01-038-4331 TRUCK,FIRE FIGHTING. 0 specifications are 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.