The Seal,plain, cataloged under National Stock Number 5330-01-506-3567, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Grainger Br 507. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-506-3567 |
| Primary Part Number | 1640-161-97 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Grainger Br 507 |
| Status | ACTIVE |
| Material | RUBBER OVERALL |
| 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 |
|---|---|
| 4179578 | Connectronics Corp (USA) |
| 1640-161-97 PRIMARY | Grainger Br 507 (USA) |
| Reference | Meaning |
|---|---|
| 4730NCM030166 | 5/1 Secondary reference Defense Medical Standardization Board |
| 03-0242 | 5/1 Secondary reference U.S. Government activity |
NSN 5330-01-506-3567 is a Seal,plain, manufactured by Grainger Br 507, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-506-3567 has 2 manufacturer part numbers on file: 4179578 (Connectronics Corp), 1640-161-97 (Grainger Br 507).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-603-1391. Verify interchangeability with system specifications before substitution.
Key specifications for 1640-161-97: Special Features: REPAIR PART FOR 2HP CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047; VITON JC TYPE 21; SPECIAL; 0.63; Part Name Assigned by Controlling Agency: SEAL ASSY VITON JC TYPE 21 SPECIAL 0.63 FOR PUMP; End Item Identification: 2HP CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047; Material: RUBBER 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.