Body Recess Diameter: 2.125 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN
Material Document and Classification: QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL
Peripheral Diameter: 6.375 INCHES NOMINAL IN
Center Hole Diameter: 1.812 INCHES NOMINAL IN
Material: COPPER ALLOY 952 OR COPPER ALLOY 953 OR COPPER ALLOY 954 OR COPPER ALLOY 955 OR COPPER ALLOY 958 OVERALL
Identification
NSN: 5330-01-320-5931
NIIN: 013205931
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
General Description
The Retainer,packing, cataloged under National Stock Number 5330-01-320-5931, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-01-320-5931
Item Name
Retainer,packing
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Status
ACTIVE
Cross-Sectional Height
1.625 INCHES NOMINAL IN
Body Recess Diameter
2.125 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN
Material Document and Classification
QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL
Peripheral Diameter
6.375 INCHES NOMINAL IN
Center Hole Diameter
1.812 INCHES NOMINAL IN
Material
COPPER ALLOY 952 OR COPPER ALLOY 953 OR COPPER ALLOY 954 OR COPPER ALLOY 955 OR COPPER ALLOY 958 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SK6390-2
3/9Design control — primary reference
U.S. Government activity
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 5330-01-320-5931?
NSN 5330-01-320-5931 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What are the specifications of 5330-01-320-5931?
Key specifications for 5330-01-320-5931: Cross-Sectional Height: 1.625 INCHES NOMINAL IN; Body Recess Diameter: 2.125 INCHES MINIMUM AND 2.130 INCHES MAXIMUM IN; Material Document and Classification: QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL; Peripheral Diameter: 6.375 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-320-5931 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.