General Characteristics Item Description: SYNTHETIC RUBBER; TOP END WITH 0.312 IN. DIA VALVE STEM HOLE; 0.775 IN. ID VALVE GUIDE END; 0.875 IN. OD; 0.820 IN. O/A HEIGHT IN
Identification
NSN: 5330-01-066-1263
NIIN: 010661263
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
General Description
The Seal,valve Stem and Guide, cataloged under National Stock Number 5330-01-066-1263, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-066-1263
Item Name
Seal,valve Stem and Guide
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
General Characteristics Item Description
SYNTHETIC RUBBER; TOP END WITH 0.312 IN. DIA VALVE STEM HOLE; 0.775 IN. ID VALVE GUIDE END; 0.875 IN. OD; 0.820 IN. O/A HEIGHT IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
B26-75988
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-01-066-1263?
NSN 5330-01-066-1263 is a Seal,valve Stem and Guide, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What are the specifications of 5330-01-066-1263?
Key specifications for 5330-01-066-1263: General Characteristics Item Description: SYNTHETIC RUBBER; TOP END WITH 0.312 IN. DIA VALVE STEM HOLE; 0.775 IN. ID VALVE GUIDE END; 0.875 IN. OD; 0.820 IN. O/A HEIGHT IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 5330-01-066-1263 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.