The Packing,preformed, cataloged under National Stock Number 5330-01-228-7149, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Electro-Mech Components, Inc. Dba Electro-Mech Components Inc. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-228-7149 |
| Primary Part Number | SW43876 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Electro-Mech Components, Inc. Dba Electro-Mech Components Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Diameter | 1.630 INCHES NOMINAL IN |
| Center Hole Diameter | 1.412 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE 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 | Y |
| Part Number | Manufacturer |
|---|---|
| SW43876 | Electro-Mech Components, Inc. Dba Electro-Mech Components Inc (USA) |
| Reference | Meaning |
|---|---|
| 280038-21 ITEM 71 | 3/1 Design control — primary reference U.S. Government activity |
| AS568-127 | C/1 Advisory reference — outside the item-of-supply concept Dante Valve Company |
| AS568-127 | 5/9 Secondary reference Danco Valve Company |
NSN 5330-01-228-7149 is a Packing,preformed, manufactured by Electro-Mech Components, Inc. Dba Electro-Mech Components Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-228-7149 has 1 manufacturer part number on file: SW43876 (Electro-Mech Components, Inc. Dba Electro-Mech Components Inc).
Key specifications for SW43876: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Material Document and Classification: MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Diameter: 1.630 INCHES NOMINAL IN. 7 specifications are 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.