The Gasket, cataloged under National Stock Number 5330-00-265-1040, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Core Industries Inc. Dba Mueller Steam Specialty. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-265-1040 |
| Primary Part Number | G2-5-1210BT2-0 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Core Industries Inc. Dba Mueller Steam Specialty |
| Status | ACTIVE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| 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 |
|---|---|
| G2-5-1210BT2-0 | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| Reference | Meaning |
|---|---|
| CN2-5-852MITEM4 | 5/1 Secondary reference Core Industries Inc. Dba Mueller Steam Specialty |
| G-2.5-1210B-B-0 | 3/1 Design control — primary reference Core Industries Inc. Dba Mueller Steam Specialty |
| G25-1210BB0 | 5/1 Secondary reference Core Industries Inc. Dba Mueller Steam Specialty |
NSN 5330-00-265-1040 is a Gasket, manufactured by Core Industries Inc. Dba Mueller Steam Specialty, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-265-1040 has 1 manufacturer part number on file: G2-5-1210BT2-0 (Core Industries Inc. Dba Mueller Steam Specialty).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-171-7994. Verify interchangeability with system specifications before substitution.
Key specifications for G2-5-1210BT2-0: Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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.