NSN 5330-00-121-2735 · NIIN 001212735 · Part number 050643
Mobile Drilling Company Inc Dba Foremost-Mobile · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 02248
Government record, cited
NSN 5330-00-121-2735 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-121-2735. Manufacturer of record part number: 050643.
Also searched as5330-00-121-2735 ·
5330001212735 ·
NIIN 001212735 ·
00-121-2735 ·
FSC 5330 Packing and Gasket Materials · CAGE 02248 · 050643 · A143
Manufacturer of record: Mobile Drilling Company Inc Dba Foremost-Mobile
Identification
NSN: 5330-00-121-2735
NIIN: 001212735
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 050643
Manufacturer: Mobile Drilling Company Inc Dba Foremost-Mobile
General Description
The Packing,preformed, cataloged under National Stock Number 5330-00-121-2735, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Mobile Drilling Company Inc Dba Foremost-Mobile. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-00-121-2735
Primary Part Number
050643
Item Name
Packing,preformed
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Mobile Drilling Company Inc Dba Foremost-Mobile
Status
ACTIVE
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
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-00-398-9356A143POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
5975-00-406-4434A143POSSIBLE MATCH
CHASSIS,ELECTRICAL-ELECTRONIC EQ
Possible match (shared part number)California Chassis, Inc.
5960-00-775-3080544-9113-003POSSIBLE MATCH
RETAINER,ELECTRON TUBE
Possible match (shared part number)Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6640-01-529-1854MTS710142POSSIBLE MATCH
PIPETTOR,ELECTRONIC
Possible match (shared part number)Ortho-Clinical Diagnostics Inc Dba Ortho-Clinical Diagnostics Inc
6030-01-549-4264050643POSSIBLE MATCH
NETWORK PANEL
Possible match (shared part number)Navy, United States Department of the Dba Cdsa
Mobile Drilling Company Inc Dba Foremost-Mobile (USA)
Reference documents
Reference
Meaning
A143
5/9Secondary reference
U.S. Government activity
Related Parts
4320-00-398-9356POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
A143
5975-00-406-4434POSSIBLE MATCH
CHASSIS,ELECTRICAL-ELECTRONIC EQ
A143
5960-00-775-3080POSSIBLE MATCH
RETAINER,ELECTRON TUBE
544-9113-003
6640-01-529-1854POSSIBLE MATCH
PIPETTOR,ELECTRONIC
MTS710142
6030-01-549-4264POSSIBLE MATCH
NETWORK PANEL
050643
Frequently Asked Questions
What is NSN 5330-00-121-2735?
NSN 5330-00-121-2735 is a Packing,preformed, manufactured by Mobile Drilling Company Inc Dba Foremost-Mobile, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-00-121-2735?
NSN 5330-00-121-2735 has 1 manufacturer part number on file: 050643 (Mobile Drilling Company Inc Dba Foremost-Mobile).
What NSN replaces 5330-00-121-2735?
5 possible matches (shared part number, not a government interchangeability claim): 4320-00-398-9356, 5975-00-406-4434, 5960-00-775-3080. Verify interchangeability with system specifications before substitution.
What are the specifications of 050643?
Key specifications for 050643: Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-121-2735 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.