The Seal,plain Encased, cataloged under National Stock Number 5330-01-359-6955, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-359-6955 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Outside Diameter | 4.691 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM SEALING ELEMENT |
| Housing Bore Diameter | 4.6845 INCHES MINIMUM AND 4.6875 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM-D2000 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Material Document and Classification | SAE-J113 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 3.375 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL SPRING |
| Material | STEEL CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 174770 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 33807 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-359-6955 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4330-01-368-1362, 1005-01-547-4339, 5180-01-572-7020. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-359-6955: Seal Width: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Outside Diameter: 4.691 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM SEALING ELEMENT. 12 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.