NSN 5330-01-251-2940 · NIIN 012512940 · Part number TSG-1579 PIECE 4 2 INCH
Cooper Valve Co Div of Texstream · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 55444
Government record, cited
NSN 5330-01-251-2940 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-251-2940. Manufacturer of record part number: TSG-1579 PIECE 4 2 INCH.
Also searched as5330-01-251-2940 ·
5330012512940 ·
NIIN 012512940 ·
01-251-2940 ·
FSC 5330 Packing and Gasket Materials · CAGE 55444 · TSG-1579 PIECE 4 2 INCH
Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Outside Diameter: 3.630 INCHES NOMINAL IN
Aperture Diameter: 3.000 INCHES NOMINAL IN
Material: PLASTIC TETRAFLUOROETHYLENE OVERALL
1 manufacturer part number on file
Manufacturer of record: Cooper Valve Co Div of Texstream
Identification
NSN: 5330-01-251-2940
NIIN: 012512940
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: TSG-1579 PIECE 4 2 INCH
Manufacturer: Cooper Valve Co Div of Texstream
General Description
The Gasket, cataloged under National Stock Number 5330-01-251-2940, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cooper Valve Co Div of Texstream. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-251-2940
Primary Part Number
TSG-1579 PIECE 4 2 INCH
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Cooper Valve Co Div of Texstream
Status
ACTIVE
Cross-Sectional Thickness
0.062 INCHES NOMINAL IN
Cross-Sectional Shape Style
SOLID SINGLE OR COMPOSITION
Outside Diameter
3.630 INCHES NOMINAL IN
Aperture Diameter
3.000 INCHES NOMINAL IN
Material
PLASTIC TETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5330-01-251-2940?
NSN 5330-01-251-2940 is a Gasket, manufactured by Cooper Valve Co Div of Texstream, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-251-2940?
NSN 5330-01-251-2940 has 1 manufacturer part number on file: TSG-1579 PIECE 4 2 INCH (Cooper Valve Co Div of Texstream).
What are the specifications of TSG-1579 PIECE 4 2 INCH?
Key specifications for TSG-1579 PIECE 4 2 INCH: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 3.630 INCHES NOMINAL IN; Aperture Diameter: 3.000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-251-2940 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.