NSN 5330-01-550-9148 · NIIN 015509148 · Part number WSM-231
Smalley Steel Ring Co. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 51814
Government record, cited
NSN 5330-01-550-9148 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-550-9148. Manufacturer of record part number: WSM-231.
Also searched as5330-01-550-9148 ·
5330015509148 ·
NIIN 015509148 ·
01-550-9148 ·
FSC 5330 Packing and Gasket Materials · CAGE 51814 · WSM-231
Nearby stock numbers← 5330-01-550-9131 Gasket, Aircraft, Mat
·
5330-01-550-9159 Packing, Aircraft, Ma →
5330-01-550-9148 — Packing and Gasket Materials
Features
Ring,retaining,airc — FSC 5330
1 manufacturer part number on file
Manufacturer of record: Smalley Steel Ring Co.
Identification
NSN: 5330-01-550-9148
NIIN: 015509148
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: WSM-231
Manufacturer: Smalley Steel Ring Co.
General Description
The Ring,retaining,airc, cataloged under National Stock Number 5330-01-550-9148, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Smalley Steel Ring Co.. 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
5330-01-550-9148
Primary Part Number
WSM-231
Item Name
Ring,retaining,airc
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Smalley Steel Ring Co.
Status
ACTIVE
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 5330-01-550-9148?
NSN 5330-01-550-9148 is a Ring,retaining,airc, manufactured by Smalley Steel Ring Co., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-550-9148?
NSN 5330-01-550-9148 has 1 manufacturer part number on file: WSM-231 (Smalley Steel Ring Co.).
What are the specifications of WSM-231?
Key specifications for WSM-231: End Item Identification: BOOM HEAD ASSEMBLY (NEXT HIGHER ASSEMBLY); MV-22 AIRCRAFT (END ITEM). 0 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-550-9148 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.