The Flowseal Intercoole, cataloged under National Stock Number 4310-00-351-2102, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Graham Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-351-2102 |
| Primary Part Number | B1241FS |
| Item Name | Flowseal Intercoole |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Graham Corp |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 2 SYNTHETIC RUBER SEALS; 0.062 IN.THK; 5.750 IN.DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B1241FS PRIMARY | Graham Corp (USA) |
| Reference | Meaning |
|---|---|
| B1241FS | 5/9 Secondary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
NSN 4310-00-351-2102 is a Flowseal Intercoole, manufactured by Graham Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-351-2102 has 1 manufacturer part number on file: B1241FS (Graham Corp).
Key specifications for B1241FS: General Characteristics Item Description: CONSISTS OF 2 SYNTHETIC RUBER SEALS; 0.062 IN.THK; 5.750 IN.DIA IN. 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.
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.