The Seal,plain, cataloged under National Stock Number 5330-01-511-5840, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Equispan Proactive Marketing Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-511-5840 |
| Primary Part Number | 63K-4860-627 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Equispan Proactive Marketing Inc |
| Status | ACTIVE |
| Seal Width | 0.250 INCHES NOMINAL IN |
| Housing Bore Diameter | 0.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | DUAL LIP |
| Accommodated Shaft Diameter | 0.870 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL INTERNALLY MOLDED-IN REINFORCEMENT |
| Material | STEEL SPRING |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 63K-4860-627 PRIMARY | Equispan Proactive Marketing Inc (USA) |
| A108197-101-11 ITEM 11 | General Dynamics Mission Systems, Inc. (USA) |
| A107859-101-11 ITEM 12 | General Dynamics Mission Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A108197-101-11 ITEM 11 | 5/9 Secondary reference General Dynamics Adv Info Sys |
| A107859-101-11 ITEM 12 | 5/9 Secondary reference General Dynamics Adv Info Sys |
NSN 5330-01-511-5840 is a Seal,plain, manufactured by Equispan Proactive Marketing Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-511-5840 has 3 manufacturer part numbers on file: 63K-4860-627 (Equispan Proactive Marketing Inc), A108197-101-11 ITEM 11 (General Dynamics Mission Systems, Inc.), A107859-101-11 ITEM 12 (General Dynamics Mission Systems, Inc.).
Key specifications for 63K-4860-627: Seal Width: 0.250 INCHES NOMINAL IN; Housing Bore Diameter: 0.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: DUAL LIP; Accommodated Shaft Diameter: 0.870 INCHES NOMINAL IN. 8 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.