NSN 5330-01-640-7138 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-640-7138. Manufacturer of record part number: MMD-3280.
Also searched as5330-01-640-7138 ·
5330016407138 ·
NIIN 016407138 ·
01-640-7138 ·
FSC 5330 Packing and Gasket Materials · CAGE 70433 · MMD-3280
The Retainer,seal, cataloged under National Stock Number 5330-01-640-7138, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Appleton Marine Inc. 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
5330-01-640-7138
Primary Part Number
MMD-3280
Item Name
Retainer,seal
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Appleton Marine Inc
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 5330-01-640-7138?
NSN 5330-01-640-7138 is a Retainer,seal, manufactured by Appleton Marine Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-640-7138?
NSN 5330-01-640-7138 has 1 manufacturer part number on file: MMD-3280 (Appleton Marine Inc).
What are the specifications of MMD-3280?
Key specifications for MMD-3280: Part Name Assigned by Controlling Agency: CLAMP SEAL; End Item Identification: 225 FT WLB BUOY CRANE FT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5330-01-640-7138 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.