NSN 5330-00-451-5329 · NIIN 004515329 · Part number 55623
Altra Industrial Motion Corp. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 71041
Government record, cited
NSN 5330-00-451-5329 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-451-5329. Manufacturer of record part number: 55623.
Also searched as5330-00-451-5329 ·
5330004515329 ·
NIIN 004515329 ·
00-451-5329 ·
FSC 5330 Packing and Gasket Materials · CAGE 71041 · 55623
Housing Bore Diameter: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
Case Style: RECESSED
Accommodated Shaft Diameter: 1.155 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
Material: STEEL CASE
Material: RUBBER SYNTHETIC SEALING ELEMENT
Identification
NSN: 5330-00-451-5329
NIIN: 004515329
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 55623
Manufacturer: Altra Industrial Motion Corp.
General Description
The Seal,plain Encased, cataloged under National Stock Number 5330-00-451-5329, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Altra Industrial Motion Corp.. 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. 4 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
5330-00-451-5329
Primary Part Number
55623
Item Name
Seal,plain Encased
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Altra Industrial Motion Corp.
Status
ACTIVE
Seal Width
0.375 INCHES NOMINAL IN
Sealing Element Style
VERTICAL
Housing Bore Diameter
2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN
Case Style
RECESSED
Accommodated Shaft Diameter
1.155 INCHES MINIMUM AND 1.157 INCHES MAXIMUM IN
Material
STEEL CASE
Material
RUBBER SYNTHETIC SEALING ELEMENT
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6625-00-775-0464378352R91POSSIBLE MATCH
AMMETER
Possible match (shared part number)Dressta North America Ltd
5930-01-230-451555623POSSIBLE MATCH
SWITCH,FLOW
Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors
3530-01-261-004455623POSSIBLE MATCH
BOBBIN,SEWING MACHINE
Possible match (shared part number)Singer Industrial Sewing Products Co Cutters Exchange Div
4520-01-430-2679L210V0 B13782-B-0 TYPE 55623POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Indeeco Llc Dba Indeeco
NSN 5330-00-451-5329 is a Seal,plain Encased, manufactured by Altra Industrial Motion Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-00-451-5329?
NSN 5330-00-451-5329 has 1 manufacturer part number on file: 55623 (Altra Industrial Motion Corp.).
What NSN replaces 5330-00-451-5329?
4 possible matches (shared part number, not a government interchangeability claim): 6625-00-775-0464, 5930-01-230-4515, 3530-01-261-0044. Verify interchangeability with system specifications before substitution.
What are the specifications of 55623?
Key specifications for 55623: Seal Width: 0.375 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 2.061 INCHES MINIMUM AND 2.063 INCHES MAXIMUM IN; Case Style: RECESSED. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-451-5329 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.