NSN 5330-01-612-6477 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-612-6477. Manufacturer of record part number: A-6601-W.
Also searched as5330-01-612-6477 ·
5330016126477 ·
NIIN 016126477 ·
01-612-6477 ·
FSC 5330 Packing and Gasket Materials · CAGE 15515 · A-6601-W · D-6600 ITEM 12
Nearby stock numbers← 5330-01-612-6366 Parts Kit, Seal Replacement, Mecha
·
5330-01-612-6590 Gasket →
5330-01-612-6477 — Packing and Gasket Materials
Features
Back-Up Ring,preformed Packing — FSC 5330
2 manufacturer part numbers on file
Manufacturer of record: Milwaukee Cylinder Inc
Identification
NSN: 5330-01-612-6477
NIIN: 016126477
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: A-6601-W
Manufacturer: Milwaukee Cylinder Inc
General Description
The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-612-6477, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Milwaukee Cylinder Inc. 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
Back-Up Ring,preformed Packing
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Manufacturers
Milwaukee Cylinder Inc (CAGE 15515)
Technical Specifications
Parameter
Value
NSN
5330-01-612-6477
Primary Part Number
A-6601-W
Item Name
Back-Up Ring,preformed Packing
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Milwaukee Cylinder Inc
Status
ACTIVE
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 5330-01-612-6477?
NSN 5330-01-612-6477 is a Back-Up Ring,preformed Packing, manufactured by Milwaukee Cylinder Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-612-6477?
NSN 5330-01-612-6477 has 2 manufacturer part numbers on file: A-6601-W (Milwaukee Cylinder Inc), D-6600 ITEM 12 (Milwaukee Cylinder Inc).
Is NSN 5330-01-612-6477 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.