The Liner,torque Indicator, cataloged under National Stock Number 2810-00-604-6501, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-604-6501 |
| Primary Part Number | 76987P2 |
| Item Name | Liner,torque Indicator |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | MATL STEEL PER AMS 6272; HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; 0.794 IN. MIN AND 0.798 IN. MAX LONG; 2.9435 IN. MIN AND 2.9445 IN. MAX OD; BORE 2.735 IN. MIN AND 2.740 IN. MAX DIA; COUNTERBORED 2.8 IN. DIA BY 0.095 IN. MIN AND 0.105 IN. MAX DEEP 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 |
|---|---|
| 76987P2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| AE76987P2 | 5/9 Secondary reference Airmotive Engineering Corp Div of Engine Components Inc |
| AS76987P2 | 5/9 Secondary reference Aircraft Supplies |
| 76987P2 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
NSN 2810-00-604-6501 is a Liner,torque Indicator, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-604-6501 has 1 manufacturer part number on file: 76987P2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 76987P2: General Characteristics Item Description: MATL STEEL PER AMS 6272; HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; 0.794 IN. MIN AND 0.798 IN. MAX LONG; 2.9435 IN. MIN AND 2.9445 IN. MAX OD; BORE 2.735 IN. MIN AND 2.740 IN. MAX DIA; COUNTERBORED 2.8 IN. DIA BY 0.095 IN. MIN AND 0.105 IN. MAX DEEP IN; End Item Identification: ACFT ENG R2800. 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.