The O-Ring, cataloged under National Stock Number 5331-01-539-6337, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-01-539-6337
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Status
ACTIVE
Material
RUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
EN124021 FIND SHF127
3/2Design control — primary reference
U.S. Government activity
218074140
5/2Secondary reference
U.S. Government activity
218074140W
5/2Secondary reference
U.S. Government activity
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
Related Parts in Hardware and Abrasives
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
216-2229
5331-00-001-3923
O-RING
216-2460
5331-00-001-3924
O-RING
GD2821-11
Frequently Asked Questions
What is NSN 5331-01-539-6337?
NSN 5331-01-539-6337 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
What are the specifications of 5331-01-539-6337?
Key specifications for 5331-01-539-6337: End Item Identification: MISC PARTS HULL STRUCTURE FOR SSN 0022, NAVY RIC 891003399; Material: RUBBER SYNTHETIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 5331-01-539-6337 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.