NSN 5330-01-566-0385 · NIIN 015660385 · Part number 8328805-12
Naval Sea Systems Command · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5330-01-566-0385 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-566-0385. Manufacturer of record part number: 8328805-12.
Also searched as5330-01-566-0385 ·
5330015660385 ·
NIIN 015660385 ·
01-566-0385 ·
FSC 5330 Packing and Gasket Materials · CAGE 53711 · 8328805-12 · 6640222-12
Cross-Sectional Height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Cross-Sectional Shape Style: SINGLE TURN SPIRAL
Peripheral Diameter: 2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN
Center Hole Diameter: 2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE
2 manufacturer part numbers on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5330-01-566-0385
NIIN: 015660385
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 8328805-12
Manufacturer: Naval Sea Systems Command
General Description
The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-566-0385, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-566-0385
Primary Part Number
8328805-12
Item Name
Back-Up Ring,preformed Packing
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Cross-Sectional Height
0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Cross-Sectional Shape Style
SINGLE TURN SPIRAL
Peripheral Diameter
2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN
Center Hole Diameter
2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
Material
PLASTIC POLYTETRAFLUOROETHYLENE
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 5330-01-566-0385?
NSN 5330-01-566-0385 is a Back-Up Ring,preformed Packing, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-566-0385?
NSN 5330-01-566-0385 has 2 manufacturer part numbers on file: 6640222-12 (Naval Sea Systems Command), 8328805-12 (Naval Sea Systems Command).
What are the specifications of 8328805-12?
Key specifications for 8328805-12: Cross-Sectional Height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Cross-Sectional Shape Style: SINGLE TURN SPIRAL; Peripheral Diameter: 2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN; Special Features: 1-19 TO 22 DEGREE MAXIMUM OF .007 INCH WIDE SCARF CUT IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-566-0385 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.