The Plug Assembly,borescope, cataloged under National Stock Number 2840-00-343-7937, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-343-7937 |
| Primary Part Number | 4048689 |
| Item Name | Plug Assembly,borescope |
| 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 | C/O REF NOS. 4020796,4031958,4036653,4020794,4020795AND 4037021 |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4048689 | Union Machine Co of Lynn, Inc (USA) |
| 4048689 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4048689 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4048689 | 5/9 Secondary reference Lewis Machine, Llc |
| 4048689 | 5/9 Secondary reference Aerometals, Inc. |
| 4048689 | 5/1 Secondary reference Moeller Mfg. Company, Llc Div Aircraft |
| 4048689 | 5/1 Secondary reference Ambel Precision Manufacturing Corporation |
| 4036654 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2840-00-343-7937 is a Plug Assembly,borescope, 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 2840-00-343-7937 has 3 manufacturer part numbers on file: 4048689 (Union Machine Co of Lynn, Inc), 4048689 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4048689 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4048689: General Characteristics Item Description: C/O REF NOS. 4020796,4031958,4036653,4020794,4020795AND 4037021; Criticality Code Justification: TEXT; End Item Identification: ENGINE,ACFT,TURBOFAN,MODEL F100. 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.
NSN 2840-00-343-7937 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.