The Disk,turbine Rotor Sealing, cataloged under National Stock Number 2840-00-925-2972, 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 Ozark Aeroworks Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-925-2972 |
| Primary Part Number | 1-100-135-03 |
| Item Name | Disk,turbine Rotor Sealing |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Ozark Aeroworks Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES M3603,FSCM 91547,ROCKWELL A SCALE 69 MIN,73 MAX HARDNESS,9.820 IN. NOM O/A OD,5.590 IN. MIN,5.600 IN. MAX OD HUB,ONE LAND 5.731 IN. MIN,5.733 IN. MAX OD LOCATED ON HUB,0.020 IN. MIN,0.030 IN. MAX LAND TIP,6 HOLES 0.356 IN. MIN,0.363 IN. MAX DIA COUNTERSUNK 90 DEG TO 0.390 IN. DIA EQUALLY SPACED ON 5.000 IN. DIA BOLT CIRCLE ON HUB,6 HOLES 0.280 IN. DIA LOCATED INSIDE 6 SLOTS 0.380 IN. W EQUALLY SPACED ON 5.000 IN. DIA FLANGE BOLT CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1-100-135-03 PRIMARY | Ozark Aeroworks Llc (USA) |
| 1-100-135-03 | Rolls-Royce Deutschland Ltd & Co Kg (DEU) |
| Reference | Meaning |
|---|---|
| 1-100-135-03 | 7/2 Vendor item drawing reference U.S. Government activity |
| 1-100-135-03 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-00-925-2972 is a Disk,turbine Rotor Sealing, manufactured by Ozark Aeroworks Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-925-2972 has 2 manufacturer part numbers on file: 1-100-135-03 (Ozark Aeroworks Llc), 1-100-135-03 (Rolls-Royce Deutschland Ltd & Co Kg).
Key specifications for 1-100-135-03: General Characteristics Item Description: CRES M3603,FSCM 91547,ROCKWELL A SCALE 69 MIN,73 MAX HARDNESS,9.820 IN. NOM O/A OD,5.590 IN. MIN,5.600 IN. MAX OD HUB,ONE LAND 5.731 IN. MIN,5.733 IN. MAX OD LOCATED ON HUB,0.020 IN. MIN,0.030 IN. MAX LAND TIP,6 HOLES 0.356 IN. MIN,0.363 IN. MAX DIA COUNTERSUNK 90 DEG TO 0.390 IN. DIA EQUALLY SPACED ON 5.000 IN. DIA BOLT CIRCLE ON HUB,6 HOLES 0.280 IN. DIA LOCATED INSIDE 6 SLOTS 0.380 IN. W EQUALLY SPACED ON 5.000 IN. DIA FLANGE BOLT CIRCLE IN; End Item Identification: T-53 SERIES ENGINES. 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.
NSN 2840-00-925-2972 has DEMIL Code B. 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.