The Gasket, cataloged under National Stock Number 5330-01-689-9935, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Mueller Brass Co.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-689-9935 |
| Primary Part Number | B2-4 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Mueller Brass Co. |
| Status | ACTIVE |
| Material | COPPER OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-689-9935 is a Gasket, manufactured by Mueller Brass Co., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-689-9935 has 4 manufacturer part numbers on file: 40090930 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), 21J12139 (Ernest West & Beynon Ltd), B2-4 (Mueller Brass Co.), A00401 (Mueller Brass Co.).
Key specifications for B2-4: Special Features: SIZE 1/4 INCH, BOX 100, UNV. NUMBER B2-4 IN; Part Name Assigned by Controlling Agency: COPPER FLARE GASKET; Material: COPPER OVERALL. 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.