The Sleeve,seal,coupler, cataloged under National Stock Number 5330-01-723-9241, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-723-9241 |
| Primary Part Number | ST7M389-12-11 |
| Item Name | Sleeve,seal,coupler |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF |
| Material Document and Classification | MIL-C-9084,IMPREGNATION OF THE INNER PLY SHALL BE SUCH THAT THE INSIDE DIAMETER OF THE FINISHED,CURED SLEEVE SHALL BE SMOOTH, WITH FULL COVERAGE OF WEAVE INTERSTICES MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPHERICAL |
| Cross-Sectional Length | 2.375 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN |
| Cross Section Inside Diameter | 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 1.58 INCHES NOMINAL IN |
| Material | GLASS FIBER OVERALL |
| Material | RUBBER SILICONE CLASS Q INTERNAL |
| 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 |
|---|---|
| ST7M389-12-11 PRIMARY | The Boeing Company Div Defense (USA) |
| SF11-1223-12-11 | Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division (USA) |
| Reference | Meaning |
|---|---|
| 5737-12-11 | 5/2 Secondary reference U.S. Government activity |
| AD1199-12-11 | 5/2 Secondary reference U.S. Government activity |
| ST7M389 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5330-01-723-9241 is a Sleeve,seal,coupler, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-723-9241 has 2 manufacturer part numbers on file: ST7M389-12-11 (The Boeing Company Div Defense), SF11-1223-12-11 (Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-725-6123. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M389-12-11: Temp Rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF; Material Document and Classification: MIL-C-9084,IMPREGNATION OF THE INNER PLY SHALL BE SUCH THAT THE INSIDE DIAMETER OF THE FINISHED,CURED SLEEVE SHALL BE SMOOTH, WITH FULL COVERAGE OF WEAVE INTERSTICES MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SPHERICAL; Cross-Sectional Length: 2.375 INCHES MINIMUM AND 2.625 INCHES MAXIMUM IN. 8 specifications are 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.