NSN 5330-01-507-4565 · NIIN 015074565 · Part number 2531021
Naval Sea Systems Command · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5330-01-507-4565 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-507-4565. Manufacturer of record part number: 2531021.
Also searched as5330-01-507-4565 ·
5330015074565 ·
NIIN 015074565 ·
01-507-4565 ·
FSC 5330 Packing and Gasket Materials · CAGE 53711 · 2531021
Nearby stock numbers← 5330-01-507-4564 Retainer, Seal
·
5330-01-507-4566 Retainer, Seal →
5330-01-507-4565 — Packing and Gasket Materials
Features
Retainer,seal — FSC 5330
Flange Thickness: 0.125 INCHES NOMINAL IN
Body Outside Diameter: 2.812 INCHES NOMINAL IN
Style Designator: FLANGED
Material Document and Classification: QQ-A-225/8 T6 TEMP FED SPEC 1ST MATERIAL RESPONSE OVERALL
Seal Seat Diameter: 1.380 INCHES NOMINAL IN
Material: ALUMINUM ALLOY 6061 OVERALL
Construction: SOLID
Identification
NSN: 5330-01-507-4565
NIIN: 015074565
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 2531021
Manufacturer: Naval Sea Systems Command
General Description
The Retainer,seal, cataloged under National Stock Number 5330-01-507-4565, 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 7 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
5330-01-507-4565
Primary Part Number
2531021
Item Name
Retainer,seal
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Flange Thickness
0.125 INCHES NOMINAL IN
Body Outside Diameter
2.812 INCHES NOMINAL IN
Style Designator
FLANGED
Material Document and Classification
QQ-A-225/8 T6 TEMP FED SPEC 1ST MATERIAL RESPONSE OVERALL
Seal Seat Diameter
1.380 INCHES NOMINAL IN
Material
ALUMINUM ALLOY 6061 OVERALL
Construction
SOLID
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 5330-01-507-4565?
NSN 5330-01-507-4565 is a Retainer,seal, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-507-4565?
NSN 5330-01-507-4565 has 1 manufacturer part number on file: 2531021 (Naval Sea Systems Command).
What are the specifications of 2531021?
Key specifications for 2531021: Overall Height: 0.750 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Body Outside Diameter: 2.812 INCHES NOMINAL IN; Style Designator: FLANGED. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-507-4565 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.