NSN 5330-01-239-4945 · NIIN 012394945 · Part number 637A438-1
General Electric Company · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 01289
Government record, cited
NSN 5330-01-239-4945 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-239-4945. Manufacturer of record part number: 637A438-1.
Also searched as5330-01-239-4945 ·
5330012394945 ·
NIIN 012394945 ·
01-239-4945 ·
FSC 5330 Packing and Gasket Materials · CAGE 01289 · 637A438-1 · 7312E23 PIECE 51 · 637A438
Nearby stock numbers← 5330-01-239-4944 Retainer, Packing
·
5330-01-239-4963 Seal Ring, Metal →
5330-01-239-4945 — Packing and Gasket Materials
Features
Retainer,packing — FSC 5330
1 manufacturer part number on file
Manufacturer of record: General Electric Company
Identification
NSN: 5330-01-239-4945
NIIN: 012394945
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 637A438-1
Manufacturer: General Electric Company
General Description
The Retainer,packing, cataloged under National Stock Number 5330-01-239-4945, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Retainer,packing
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Manufacturers
General Electric Company (CAGE 01289)
Technical Specifications
Parameter
Value
NSN
5330-01-239-4945
Primary Part Number
637A438-1
Item Name
Retainer,packing
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
General Electric Company
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 5330-01-239-4945?
NSN 5330-01-239-4945 is a Retainer,packing, manufactured by General Electric Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-239-4945?
NSN 5330-01-239-4945 has 1 manufacturer part number on file: 637A438-1 (General Electric Company).
Is NSN 5330-01-239-4945 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.