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NSN 5331-01-340-3911Government record, cited
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O-Ring5331-01-340-3911

NSN 5331-01-340-3911 · NIIN 013403911 · Part number 203428 ITEM 5
Admiral Filter Company Llc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 25204
Government record, cited
NSN 5331-01-340-3911 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-340-3911. Manufacturer of record part number: 203428 ITEM 5.
Also searched as  5331-01-340-3911 · 5331013403911 · NIIN 013403911 · 01-340-3911 · FSC 5331 O-ring · CAGE 25204 · 203428 ITEM 5 · 203428-5
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-340-3911 — O-ring
Features
  • O-Ring — FSC 5331
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Admiral Filter Company Llc
Identification
  • NSN: 5331-01-340-3911
  • NIIN: 013403911
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 203428 ITEM 5
  • Manufacturer: Admiral Filter Company Llc
General Description

The O-Ring, cataloged under National Stock Number 5331-01-340-3911, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Admiral Filter Company Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-ring (FSG 53)
ManufacturersAdmiral Filter Company Llc (CAGE 25204)
Technical Specifications
ParameterValue
NSN5331-01-340-3911
Primary Part Number203428 ITEM 5
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerAdmiral Filter Company Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
203428-5 Admiral Filter Company Llc (USA)
203428 ITEM 5 PRIMARY Admiral Filter Company Llc (USA)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971
O-RING
5331-00-001-1979
O-RING
5331-00-001-3904
O-RING
5331-00-001-3905
O-RING
5331-00-001-3906
O-RING
5331-00-001-3908
O-RING
5331-00-001-3923
O-RING
5331-00-001-3924
O-RING

Frequently Asked Questions

What is NSN 5331-01-340-3911?

NSN 5331-01-340-3911 is a O-Ring, manufactured by Admiral Filter Company Llc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-340-3911?

NSN 5331-01-340-3911 has 2 manufacturer part numbers on file: 203428-5 (Admiral Filter Company Llc), 203428 ITEM 5 (Admiral Filter Company Llc).

Is NSN 5331-01-340-3911 hazardous material?

No hazard code in the DLA record (HMIC N). 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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