The Seal,plain Encased, cataloged under National Stock Number 5330-01-020-9677, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Woods T B Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-020-9677 |
| Primary Part Number | 971-300770-1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Woods T B Inc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Seal Width | 0.438 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Outside Diameter | 3.505 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.505 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 3600 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.750 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC CASE |
| Material | STEEL CORROSION RESISTING CASE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| 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 |
|---|---|
| 971-300770-1 | Woods T B Inc (USA) |
| 300770 | Woods T B Inc (USA) |
| Reference | Meaning |
|---|---|
| 27280 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-020-9677 is a Seal,plain Encased, manufactured by Woods T B Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-020-9677 has 2 manufacturer part numbers on file: 971-300770-1 (Woods T B Inc), 300770 (Woods T B Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-176-0183, 5998-01-335-7423, 5306-01-470-0140. Verify interchangeability with system specifications before substitution.
Key specifications for 971-300770-1: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Seal Width: 0.438 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Outside Diameter: 3.505 INCHES NOMINAL IN. 11 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.