The Seal,plain Encased, cataloged under National Stock Number 5330-00-679-7951, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-679-7951 |
| Primary Part Number | 132-0678 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Seal Width | 5.095 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.750 INCHES NOMINAL IN |
| Test Data Document | 19207-8756299 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | RUBBER AND CORK SEALING ELEMENT |
| Material | ZINC BACKING |
| 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 |
|---|---|
| 132-0678 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 8756299 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 8756299 | 5/9 Secondary reference Vanseal Corp |
| 300852 | 5/9 Secondary reference Wiba Zevenaar B.v. |
| 100038 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
| 8756299-S | 5/9 Secondary reference Fnss Savunma Sistemleri Anonim Sirketi |
| 807051 | 5/9 Secondary reference U.S. Government activity |
| A2705 | 5/9 Secondary reference U.S. Government activity |
| 2530006797951 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 132-0678 | 5/9 Secondary reference Caterpillar Inc Caterpillar Precision Seals |
| CF-SP-74590 | D/9 Drawing number reference only Vanseal Corp |
| 806850 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 5330-00-679-7951 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-679-7951 has 2 manufacturer part numbers on file: 132-0678 (Caterpillar Inc Div Caterpillar Defense), 8756299 (U S Army Tank Automotive Command Amsta-Im-Mm).
7 possible matches (shared part number, not a government interchangeability claim): 5305-00-710-4190, 4220-00-776-7023, 6625-00-878-3600. Verify interchangeability with system specifications before substitution.
Key specifications for 132-0678: Seal Width: 5.095 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Case Style: SQUARE; Accommodated Shaft Diameter: 3.750 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.