The Seal,piston, cataloged under National Stock Number 5330-01-127-4258, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-127-4258 |
| Primary Part Number | X123672 |
| Item Name | Seal,piston |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | GRAPHITE FILLED POLYTETRAFLUORETHYLENE; MINUS 65 DEG F TO PLUS 275 DEG F TEMP RANGE; 0/281 IN. OD; 0.156 IN. ID; 0.100 O/A THK 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 |
|---|---|
| 300A-07-G-302BRT-SOW | Bal Seal Engineering, Inc. (USA) |
| X123672 PRIMARY | Bal Seal Engineering, Inc. (USA) |
| 300A07G | Bal Seal Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 287873-1 | 5/2 Secondary reference U.S. Government activity |
| 10367392 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5330-01-127-4258 is a Seal,piston, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-127-4258 has 3 manufacturer part numbers on file: 300A-07-G-302BRT-SOW (Bal Seal Engineering, Inc.), X123672 (Bal Seal Engineering, Inc.), 300A07G (Bal Seal Engineering, Inc.).
Key specifications for X123672: General Characteristics Item Description: GRAPHITE FILLED POLYTETRAFLUORETHYLENE; MINUS 65 DEG F TO PLUS 275 DEG F TEMP RANGE; 0/281 IN. OD; 0.156 IN. ID; 0.100 O/A THK IN. 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.