The Seal,metallic,aircraft Gas Turbi, cataloged under National Stock Number 2840-01-171-3047, 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 Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2840-01-171-3047 |
| Primary Part Number | 77730 |
| Item Name | Seal,metallic,aircraft Gas Turbi |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Eaton Corporation Dba Eaton Inoac Div Eaton |
| Status | ACTIVE |
| Design Type | AXIAL COMPRESSOR |
| Criticality Code Justification | FEAT |
| Engine Section Location | TURBINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 77730 PRIMARY | Eaton Corporation Dba Eaton Inoac Div Eaton (USA) |
| 9961M38P09 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 57487 | D/9 Drawing number reference only Eaton Corporation Dba Eaton Inoac Div Eaton |
| 9961M38P01 | D/9 Drawing number reference only General Electric Company |
NSN 2840-01-171-3047 is a Seal,metallic,aircraft Gas Turbi, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-171-3047 has 2 manufacturer part numbers on file: 77730 (Eaton Corporation Dba Eaton Inoac Div Eaton), 9961M38P09 (General Electric Company).
2 possible matches (shared part number, not a government interchangeability claim): 2910-01-296-5740, 5365-01-490-6597. Verify interchangeability with system specifications before substitution.
Key specifications for 77730: Design Type: AXIAL COMPRESSOR; Criticality Code Justification: FEAT; Engine Section Location: TURBINE; Special Features: CARBON FACE SEAL; 1.092 IN MIN ID; CASE LENGTH 0.520 IN. MAX; MTG FLANGE W/3 HOLES THRU 0.236 IN. NOM DIA ON 2.92 IN. BCD; PARTS INCL WAVE SPRING, 57493; SEAL RING 57969-2; RETAINER RING 71-5B0-16, CASE, 57491; SEAL FREE LG0.271 IN.MIN, OPERATING LG 0.243-0.261IN., TRAVEL 0.233-0.271; T.O. 2J-F101-4, FIG 29, IND 44; FUEL PUMP/GB ACCESSORY 9550M29G02 FOR F101-GE-102 AIRCRAFT ENGINE IN. 3 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 2840-01-171-3047 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.