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NSN 5331-01-533-7371Government record, cited
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O-Ring5331-01-533-7371

NSN 5331-01-533-7371 · NIIN 015337371 · Part number PR502-133
Schmidt & Bender Incorporated · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 31TY2
Government record, cited
NSN 5331-01-533-7371 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-533-7371. Manufacturer of record part number: PR502-133.
Also searched as  5331-01-533-7371 · 5331015337371 · NIIN 015337371 · 01-533-7371 · FSC 5331 O-ring · CAGE 31TY2 · PR502-133
Nearby stock numbers  ·
SECTION O-RING CROSS SECTION
5331-01-533-7371 — O-ring
Features
  • O-Ring — FSC 5331
  • 1 manufacturer part number on file
  • Manufacturer of record: Schmidt & Bender Incorporated
Identification
  • NSN: 5331-01-533-7371
  • NIIN: 015337371
  • FSC: 5331 — O-ring
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: PR502-133
  • Manufacturer: Schmidt & Bender Incorporated
General Description

The O-Ring, cataloged under National Stock Number 5331-01-533-7371, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Schmidt & Bender Incorporated. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-ring (FSG 53)
ManufacturersSchmidt & Bender Incorporated (CAGE 31TY2)
Technical Specifications
ParameterValue
NSN5331-01-533-7371
Primary Part NumberPR502-133
Item NameO-Ring
FSC / FSG5331 / 53 — O-ring
ManufacturerSchmidt & Bender Incorporated
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
PR502-133 PRIMARY Schmidt & Bender Incorporated (USA)
Reference documents
ReferenceMeaning
PR502-133 5/9 Secondary reference
Premier Reticles, Ltd.
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 5331-01-533-7371?

NSN 5331-01-533-7371 is a O-Ring, manufactured by Schmidt & Bender Incorporated, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-533-7371?

NSN 5331-01-533-7371 has 1 manufacturer part number on file: PR502-133 (Schmidt & Bender Incorporated).

Is NSN 5331-01-533-7371 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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