# NSN 4730-00-399-1178: Sleeve, Sealing

NSN 4730-00-399-1178 (also written 4730003991178; NIIN 00-399-1178) is a sleeve, sealing in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-00-399-1178 (4730003991178)
- NIIN: 00-399-1178 (003991178)
- Item name: SLEEVE,SEALING
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-11-03)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 0.010 |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,CORROSION RESISTING,AMS 5350 |
| AGAV | END ITEM IDENTIFICATION | ENGINE ACFT TURBO FAN MODEL NO. TF33P3 |
| SPCL | SPECIAL TEST FEATURES | USE MEAN VALUE OF FINISHED FEATURE LOC DIM DETERMINING BSC DISTANCE FROM CSTG DATUM PLANE TO AXIS OF CAST FEATURE; UOS BREAK EDGES .000-.030" ON CAST FEATURE; PERFECT FORM AT MMC NOT REQUIRED; CSTG PER SPECIFICATION PWA 321 GRADE C; HALF TOTAL APPLIES EACH SIDE OF BSC PROFILE; UOS EACH CAST FEATURE CONTROLLED BY TOTAL MUST CONFORM TO SUCH TOTAL IN RELATION TO CSTG DATUM PLANES WHICH ARE MUTUALLY PERP AND ARE ESTALISHED BY TARGET POINTS IDENTIFIED |
| SUPP | SUPPLEMENTARY FEATURES | SURFACE TEXTURE PER SPECIFICATION PWA 362 VOS |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 2.243 |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SLEEVE-SEALING, 4.5 AND 6 PRESSURE TUBE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 733083 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 733083 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 733083 | 6U479 | C E I INC DBA COMMAND ENTERPRISES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 733083 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4AX-27-T-0014 | 56 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730003991178&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730003991178&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730003991178
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4730-00-399-1178/
JSON: https://nsnexplorer.com/api/nsn/4730-00-399-1178.json