The Plate,face,bearing Seal, cataloged under National Stock Number 2840-01-008-1373, 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 Norcatec Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 2840-01-008-1373 |
| Primary Part Number | 1-300-588 |
| Item Name | Plate,face,bearing Seal |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Norcatec Llc |
| Status | ACTIVE |
| Overall Diameter | 2.9 INCHES NOMINAL IN |
| General Characteristics Item Description | BLACK OXIDE FINISH,AMS2485,TAPERED OD,2.937 IN. NOM LARGEST OD,2.300 IN. MIN,2.350 IN. MAX SMALLEST OD,1.970 IN. MIN,1.972 IN. MAX ID INTERNAL FLANGE,0.304 IN. MIN,0.311 IN. MAX O/A H,0.260 IN. MIN,0.265 IN. MAX INSIDE H IN |
| Supplementary Features | CRITICAL SAFETY ITEM (CSI) |
| Criticality Code Justification | SUPP |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1-300-588 | Norcatec Llc (USA) |
| Reference | Meaning |
|---|---|
| 1-300-588-03 | 5/9 Secondary reference U.S. Government activity |
| B-109343 | 5/9 Secondary reference Grimes Aerospace Company |
| 1-300-588 | 5/9 Secondary reference U.S. Government activity |
| 1-300-588 | 3/2 Design control — primary reference U.S. Government activity |
| 1-300-588-02 | 5/9 Secondary reference U.S. Government activity |
| 78327 | 5/9 Secondary reference Eaton Corporation Dba Eaton Inoac Div Eaton |
| B-109343 | 5/9 Secondary reference Grimes Aerospace Co Sub of Alliedsignal Inc |
| 1-300-588-01 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 08-193010 | 5/9 Secondary reference U.S. Government activity |
| 1-300-588-02 | C/1 Advisory reference — outside the item-of-supply concept Ozark Aeroworks Llc |
| 1-300-588-01 | 5/9 Secondary reference U.S. Government activity |
NSN 2840-01-008-1373 is a Plate,face,bearing Seal, manufactured by Norcatec Llc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-008-1373 has 1 manufacturer part number on file: 1-300-588 (Norcatec Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5315-01-102-7471, 6680-01-266-6901, 4140-01-272-5899. Verify interchangeability with system specifications before substitution.
Key specifications for 1-300-588: Overall Diameter: 2.9 INCHES NOMINAL IN; General Characteristics Item Description: BLACK OXIDE FINISH,AMS2485,TAPERED OD,2.937 IN. NOM LARGEST OD,2.300 IN. MIN,2.350 IN. MAX SMALLEST OD,1.970 IN. MIN,1.972 IN. MAX ID INTERNAL FLANGE,0.304 IN. MIN,0.311 IN. MAX O/A H,0.260 IN. MIN,0.265 IN. MAX INSIDE H IN; Supplementary Features: CRITICAL SAFETY ITEM (CSI); Criticality Code Justification: SUPP. 5 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.