NSN 5330-01-178-1798 · NIIN 011781798 · Part number S-55 PIECE 3 1/2IN
Apco/valve & Primer Corp · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 79067
Government record, cited
NSN 5330-01-178-1798 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-178-1798. Manufacturer of record part number: S-55 PIECE 3 1/2IN.
Also searched as5330-01-178-1798 ·
5330011781798 ·
NIIN 011781798 ·
01-178-1798 ·
FSC 5330 Packing and Gasket Materials · CAGE 79067 · S-55 PIECE 3 1/2IN
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK AND CELLULOSE OVERALL
1 manufacturer part number on file
Manufacturer of record: Apco/valve & Primer Corp
Identification
NSN: 5330-01-178-1798
NIIN: 011781798
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: S-55 PIECE 3 1/2IN
Manufacturer: Apco/valve & Primer Corp
General Description
The Gasket, cataloged under National Stock Number 5330-01-178-1798, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Apco/valve & Primer Corp. Government technical data includes 2 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
5330-01-178-1798
Primary Part Number
S-55 PIECE 3 1/2IN
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Apco/valve & Primer Corp
Status
ACTIVE
Cross-Sectional Shape Style
SOLID SINGLE OR COMPOSITION
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK AND CELLULOSE 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 5330-01-178-1798?
NSN 5330-01-178-1798 is a Gasket, manufactured by Apco/valve & Primer Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-178-1798?
NSN 5330-01-178-1798 has 1 manufacturer part number on file: S-55 PIECE 3 1/2IN (Apco/valve & Primer Corp).
What are the specifications of S-55 PIECE 3 1/2IN?
Key specifications for S-55 PIECE 3 1/2IN: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK AND CELLULOSE OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-178-1798 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.