The Seal,air,rotating, cataloged under National Stock Number 5330-01-139-7109, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kitco 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-139-7109 |
| Primary Part Number | 4054T26P01 |
| Item Name | Seal,air,rotating |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kitco Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES AMS5643; ROCKWELL HARDNESS SCALE C29-38; MICROINCH SURFACE FINISH 63; 4.710 IN. MIN AND 4.713 IN. MAX OD,3.7405 IN. MIN AND 3.7415 IN. MAX ID,1.222 IN. MIN AND 1.234 IN. MAX H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4054T26P01 | Kitco Llc (USA) |
| 4054T26P01 | B & E Tool Company, Inc. Dba B & E Tool (USA) |
| Reference | Meaning |
|---|---|
| 10158561 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4054T26P01 | 5/9 Secondary reference Berkshire Industries, Inc. |
| 4054T26P01 | 3/2 Design control — primary reference U.S. Government activity |
| 4054T26P01 | 5/9 Secondary reference Beacon Industries, Inc. Dba Beacon Technology Co |
| 4054T26P01 | 5/9 Secondary reference Airtronics, Llc |
NSN 5330-01-139-7109 is a Seal,air,rotating, manufactured by Kitco Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-139-7109 has 2 manufacturer part numbers on file: 4054T26P01 (Kitco Llc), 4054T26P01 (B & E Tool Company, Inc. Dba B & E Tool).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-594-5455. Verify interchangeability with system specifications before substitution.
Key specifications for 4054T26P01: General Characteristics Item Description: CRES AMS5643; ROCKWELL HARDNESS SCALE C29-38; MICROINCH SURFACE FINISH 63; 4.710 IN. MIN AND 4.713 IN. MAX OD,3.7405 IN. MIN AND 3.7415 IN. MAX ID,1.222 IN. MIN AND 1.234 IN. MAX H IN; End Item Identification: ENGINE MODEL F404. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.