The Packing,preformed, cataloged under National Stock Number 5330-00-607-1331, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Dynalec Corporation. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-607-1331 |
| Primary Part Number | 3A9-137 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 3A9-137 PRIMARY | Dynalec Corporation (USA) |
| MB4221-1PC16 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| MB4221-1PC16 | 5/9 Secondary reference The Electric Tachometer Corp. |
| 3A9-137 | 5/9 Secondary reference The Electric Tachometer Corp. |
NSN 5330-00-607-1331 is a Packing,preformed, manufactured by Dynalec Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-607-1331 has 2 manufacturer part numbers on file: 3A9-137 (Dynalec Corporation), MB4221-1PC16 (Dynalec Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-528-4429. Verify interchangeability with system specifications before substitution.
Key specifications for 3A9-137: Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. 0 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.