NSN 5330-01-081-9501 · NIIN 010819501 · Part number 305-252G
Bal Seal Engineering, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 09055
Government record, cited
NSN 5330-01-081-9501 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-081-9501. Manufacturer of record part number: 305-252G.
Also searched as5330-01-081-9501 ·
5330010819501 ·
NIIN 010819501 ·
01-081-9501 ·
FSC 5330 Packing and Gasket Materials · CAGE 09055 · 305-252G
Temp Rating: -70.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF
Seal Width: 0.125 INCHES NOMINAL IN
Housing Bore Diameter: 5.500 INCHES NOMINAL IN
Material Document and Classification: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING
Accommodated Shaft Diameter: 5.250 INCHES NOMINAL IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT
Identification
NSN: 5330-01-081-9501
NIIN: 010819501
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 305-252G
Manufacturer: Bal Seal Engineering, Inc.
General Description
The Seal,plain, cataloged under National Stock Number 5330-01-081-9501, 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
5330-01-081-9501
Primary Part Number
305-252G
Item Name
Seal,plain
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Bal Seal Engineering, Inc.
Status
ACTIVE
Temp Rating
-70.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF
Seal Width
0.125 INCHES NOMINAL IN
Housing Bore Diameter
5.500 INCHES NOMINAL IN
Material Document and Classification
QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
Cross-Sectional Shape Style
C-SECTION W/ HELICAL SPRING
Accommodated Shaft Diameter
5.250 INCHES NOMINAL IN
Material
PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE SEALING ELEMENT
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 5330-01-081-9501?
NSN 5330-01-081-9501 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 5330-01-081-9501?
NSN 5330-01-081-9501 has 1 manufacturer part number on file: 305-252G (Bal Seal Engineering, Inc.).
What are the specifications of 305-252G?
Key specifications for 305-252G: Temp Rating: -70.0 FAHRENHEIT AND 550.0 FAHRENHEIT DEGF; Seal Width: 0.125 INCHES NOMINAL IN; Housing Bore Diameter: 5.500 INCHES NOMINAL IN; Material Document and Classification: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-081-9501 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.