NSN 5330-01-377-5143 · NIIN 013775143 · Part number 66186-S A710
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 76364
Government record, cited
NSN 5330-01-377-5143 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-377-5143. Manufacturer of record part number: 66186-S A710.
Also searched as5330-01-377-5143 ·
5330013775143 ·
NIIN 013775143 ·
01-377-5143 ·
FSC 5330 Packing and Gasket Materials · CAGE 76364 · 66186-S A710 · 253873 ASSY 98 PIECE 19
Nearby stock numbers← 5330-01-377-5138 Seal Ring, Metal
·
5330-01-377-5144 Gasket →
5330-01-377-5143 — Packing and Gasket Materials
Features
Gasket — FSC 5330
2 manufacturer part numbers on file
Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
NSN: 5330-01-377-5143
NIIN: 013775143
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 66186-S A710
Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description
The Gasket, cataloged under National Stock Number 5330-01-377-5143, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Gasket
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Manufacturers
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (CAGE 76364); Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689)
Technical Specifications
Parameter
Value
NSN
5330-01-377-5143
Primary Part Number
66186-S A710
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
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 5330-01-377-5143?
NSN 5330-01-377-5143 is a Gasket, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-377-5143?
NSN 5330-01-377-5143 has 2 manufacturer part numbers on file: 66186-S A710 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 253873 ASSY 98 PIECE 19 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Is NSN 5330-01-377-5143 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.