The Retainer,stator Arm, cataloged under National Stock Number 2840-01-216-7422, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-216-7422 |
| Primary Part Number | 4065639 |
| Item Name | Retainer,stator Arm |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS 5627,ALLOY 430; BORE 0.350 IN. MIN AND 0.370 IN. MAX DIA.; CBORE 0.463 IN. MIN AND 0.464 IN. MAX DIA.; WIDTH ACROSS FLATS 0.610 IN. MIN AND 0.630 IN. MAX; BOTTOM OD 0.540 IN. MIN AND 0.550 IN. MAX; CBORE DEPTH 0.137 IN. MIN AND 0.150 IN. MAX; STEP LENGTH 0.040 IN. MIN AND 0.060 IN. MAX; LINER WOVEN FIBERGLASS AND POLYTETRAFLUOROETHYLENE FABRIC IMPREGNATED WITH POLYMIDG RESIN; LINER OD 0.590 IN. MIN;LINER THK 0.010 IN. MIN.; 4 CORNERS CHAMFERED 0.080 IN. MIN. AND 0.100 IN. MAX,CHAMFER ANGLE 45.0 DEG.,OR CUT CORNERS TO 0.740 IN. MIN AND 0.760 IN. MAX RADIUS IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4065639 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4065639 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4065633 | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| Reference | Meaning |
|---|---|
| 4065638 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4065633 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 4065597 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 4065599 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 4065597 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4065639 | 5/9 Secondary reference Rbc Transport Dynamics Corp Div Rbc Transport Dynamics |
| 4065599 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4065633 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 4065638 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 2840-01-216-7422 is a Retainer,stator Arm, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-216-7422 has 3 manufacturer part numbers on file: 4065639 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4065639 (Rtx Corporation Div Pratt & Whitney), 4065633 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics).
Key specifications for 4065639: General Characteristics Item Description: CRES AMS 5627,ALLOY 430; BORE 0.350 IN. MIN AND 0.370 IN. MAX DIA.; CBORE 0.463 IN. MIN AND 0.464 IN. MAX DIA.; WIDTH ACROSS FLATS 0.610 IN. MIN AND 0.630 IN. MAX; BOTTOM OD 0.540 IN. MIN AND 0.550 IN. MAX; CBORE DEPTH 0.137 IN. MIN AND 0.150 IN. MAX; STEP LENGTH 0.040 IN. MIN AND 0.060 IN. MAX; LINER WOVEN FIBERGLASS AND POLYTETRAFLUOROETHYLENE FABRIC IMPREGNATED WITH POLYMIDG RESIN; LINER OD 0.590 IN. MIN;LINER THK 0.010 IN. MIN.; 4 CORNERS CHAMFERED 0.080 IN. MIN. AND 0.100 IN. MAX,CHAMFER ANGLE 45.0 DEG.,OR CUT CORNERS TO 0.740 IN. MIN AND 0.760 IN. MAX RADIUS IN; Criticality Code Justification: FEAT; Special Features: FORM,FIT,FUNICTION.. 2 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.