NSN 5330-01-129-2057 · NIIN 011292057 · Part number C53-425
C. E. Conover & Co., Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 07060
Government record, cited
NSN 5330-01-129-2057 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-129-2057. Manufacturer of record part number: C53-425.
Also searched as5330-01-129-2057 ·
5330011292057 ·
NIIN 011292057 ·
01-129-2057 ·
FSC 5330 Packing and Gasket Materials · CAGE 07060 · C53-425
The Packing,preformed, cataloged under National Stock Number 5330-01-129-2057, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is C. E. Conover & Co., Inc.. Government technical data includes 6 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
5330-01-129-2057
Primary Part Number
C53-425
Item Name
Packing,preformed
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
C. E. Conover & Co., Inc.
Status
ACTIVE
Cross-Sectional Height
0.281 INCHES NOMINAL IN
Cross-Sectional Shape Style
SQUARE/RECTANGULAR
Peripheral Diameter
4.625 INCHES NOMINAL IN
Color
BLACK
Center Hole Diameter
4.500 INCHES NOMINAL IN
Material
PLASTIC 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 5330-01-129-2057?
NSN 5330-01-129-2057 is a Packing,preformed, manufactured by C. E. Conover & Co., Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-129-2057?
NSN 5330-01-129-2057 has 1 manufacturer part number on file: C53-425 (C. E. Conover & Co., Inc.).
What are the specifications of C53-425?
Key specifications for C53-425: Cross-Sectional Height: 0.281 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Peripheral Diameter: 4.625 INCHES NOMINAL IN; Color: BLACK. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-129-2057 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.