NSN 5331-01-538-4219 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-538-4219. Manufacturer of record part number: 90DFF-16.
Also searched as5331-01-538-4219 ·
5331015384219 ·
NIIN 015384219 ·
01-538-4219 ·
FSC 5331 O-ring · CAGE 5X050 · 90DFF-16
The O-Ring, cataloged under National Stock Number 5331-01-538-4219, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 5331-01-538-4219?
NSN 5331-01-538-4219 is a O-Ring, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-538-4219?
NSN 5331-01-538-4219 has 2 manufacturer part numbers on file: 90DFF-16 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), 90DFF-16 (Tompkins Industries Inc).
What are the specifications of 90DFF-16?
Key specifications for 90DFF-16: Special Features: ORFS SIZE 1 INCH IN; Part Name Assigned by Controlling Agency: VITON 90 DUROMETER ORFS O-RING; End Item Identification: 3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM; Material: RUBBER SYNTHETIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 5331-01-538-4219 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.