NSN 5330-01-272-8542 · NIIN 012728542 · Part number R304A12-2-5
Bal Seal Engineering, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 09055
Government record, cited
NSN 5330-01-272-8542 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-272-8542. Manufacturer of record part number: R304A12-2-5.
Also searched as5330-01-272-8542 ·
5330012728542 ·
NIIN 012728542 ·
01-272-8542 ·
FSC 5330 Packing and Gasket Materials · CAGE 09055 · R304A12-2-5
Seal Width: 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM MM
Housing Bore Diameter: 17.0 MILLIMETERS NOMINAL MM
Accommodated Shaft Diameter: 12.0 MILLIMETERS NOMINAL MM
Functional Description: LIGHT DUTY FLANGE SEAL METRIC SIZE,GENERAL USE RECIPROCATING AND STATIC APPL
Material: STEEL CORROSION RESISTING SPRING
Material: PLASTIC POLYTETRAFLUOROETHYLENE SINGLE RING
Identification
NSN: 5330-01-272-8542
NIIN: 012728542
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: R304A12-2-5
Manufacturer: Bal Seal Engineering, Inc.
General Description
The Seal,plain, cataloged under National Stock Number 5330-01-272-8542, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 8 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
5330-01-272-8542
Primary Part Number
R304A12-2-5
Item Name
Seal,plain
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Bal Seal Engineering, Inc.
Status
ACTIVE
Temp Rating
-29.0 CELSIUS AND 205.0 CELSIUS DEGC
Seal Width
5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM MM
Housing Bore Diameter
17.0 MILLIMETERS NOMINAL MM
Accommodated Shaft Diameter
12.0 MILLIMETERS NOMINAL MM
Functional Description
LIGHT DUTY FLANGE SEAL METRIC SIZE,GENERAL USE RECIPROCATING AND STATIC APPL
Material
STEEL CORROSION RESISTING SPRING
Material
PLASTIC POLYTETRAFLUOROETHYLENE SINGLE RING
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 5330-01-272-8542?
NSN 5330-01-272-8542 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-272-8542?
NSN 5330-01-272-8542 has 1 manufacturer part number on file: R304A12-2-5 (Bal Seal Engineering, Inc.).
What are the specifications of R304A12-2-5?
Key specifications for R304A12-2-5: Temp Rating: -29.0 CELSIUS AND 205.0 CELSIUS DEGC; Seal Width: 5.1 MILLIMETERS MINIMUM AND 5.5 MILLIMETERS MAXIMUM MM; Housing Bore Diameter: 17.0 MILLIMETERS NOMINAL MM; Special Features: FLANGE C-SECTION W/ HELICAL SPRING STYLE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-272-8542 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.