The Seal,plain, cataloged under National Stock Number 5330-01-277-9911, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-277-9911 |
| Primary Part Number | 712-0044-653 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Seal Width | 0.222 INCHES NOMINAL IN |
| Housing Bore Diameter | 1.253 INCHES MINIMUM AND 1.259 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | DUAL LIP |
| Accommodated Shaft Diameter | 0.875 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL SPRING |
| Construction | SOLID |
| 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 |
|---|---|
| K4-63447 | Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA) |
| 712-0044-653 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 712-0044-653 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 5330-01-277-9911 is a Seal,plain, manufactured by Carver Pump Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-277-9911 has 2 manufacturer part numbers on file: K4-63447 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 712-0044-653 (Carver Pump Company).
Key specifications for 712-0044-653: Seal Width: 0.222 INCHES NOMINAL IN; Housing Bore Diameter: 1.253 INCHES MINIMUM AND 1.259 INCHES MAXIMUM IN; Cross-Sectional Shape Style: DUAL LIP; Accommodated Shaft Diameter: 0.875 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.