The Seal,plain Encased, cataloged under National Stock Number 5330-01-633-0188, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Waymires Auto Parts & Service Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-633-0188 |
| Primary Part Number | K71-387-00 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Waymires Auto Parts & Service Inc |
| Status | ACTIVE |
| Outside Diameter | 3.880 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 2.875 INCHES NOMINAL IN |
| 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 |
|---|---|
| K71-387-00 | Waymires Auto Parts & Service Inc (USA) |
| Reference | Meaning |
|---|---|
| K71-387-00 | 3/9 Design control — primary reference Dexter Axle Company Llc |
| 010-051-02 | 5/9 Secondary reference Dexter Axle Company Llc |
| 010-051-00 | 5/9 Secondary reference Dexter Axle Company Llc |
NSN 5330-01-633-0188 is a Seal,plain Encased, manufactured by Waymires Auto Parts & Service Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-633-0188 has 1 manufacturer part number on file: K71-387-00 (Waymires Auto Parts & Service Inc).
Key specifications for K71-387-00: Outside Diameter: 3.880 INCHES NOMINAL IN; Cross Section Inside Diameter: 2.875 INCHES NOMINAL IN; Special Features: FITS DEXTER 9K AND 10 K GD HUB/DRUM; Part Name Assigned by Controlling Agency: SEAL,OIL. 2 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.