The Seal,fuel, cataloged under National Stock Number 2840-01-171-0875, 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 Jonal Laboratories Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-171-0875 |
| Primary Part Number | 6238 |
| Item Name | Seal,fuel |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Criticality Code Justification | MATT AND ABHP AND ABMK AND AGAV |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 9941M61P02 | General Electric Company (USA) |
| 6238 PRIMARY | Jonal Laboratories Inc (USA) |
| 9941M61P03 | General Electric Company (USA) |
| SY9921-4 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| 9941M61P04 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| SY9921-4 | 5/2 Secondary reference U.S. Government activity |
| AGC3245 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-171-0875 is a Seal,fuel, manufactured by Jonal Laboratories Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-171-0875 has 5 manufacturer part numbers on file: 9941M61P02 (General Electric Company), 6238 (Jonal Laboratories Inc), 9941M61P03 (General Electric Company), SY9921-4 (Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa), 9941M61P04 (General Electric Company).
3 possible matches (shared part number, not a government interchangeability claim): 5305-01-448-6940, 2915-01-551-1643, 6515-01-560-7594. Verify interchangeability with system specifications before substitution.
Key specifications for 6238: Criticality Code Justification: MATT AND ABHP AND ABMK AND AGAV; Overall Length: 2.730 INCHES MINIMUM AND 2.770 INCHES MAXIMUM IN; Overall Width: 1.250 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN; End Item Identification: ACFT ENG F101. 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 2840-01-171-0875 has DEMIL Code D. 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.