NSN 5331-01-728-2605 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-728-2605. Manufacturer of record part number: 839999.
Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
2 manufacturer part numbers on file
Manufacturer of record: Ldi Industries, Inc. Dba Ldi Industries Inc
Identification
NSN: 5331-01-728-2605
NIIN: 017282605
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 839999
Manufacturer: Ldi Industries, Inc. Dba Ldi Industries Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-01-728-2605, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ldi Industries, Inc. Dba Ldi Industries Inc. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 5331-01-728-2605?
NSN 5331-01-728-2605 is a O-Ring, manufactured by Ldi Industries, Inc. Dba Ldi Industries Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-728-2605?
NSN 5331-01-728-2605 has 2 manufacturer part numbers on file: 839999 (Ldi Industries, Inc. Dba Ldi Industries Inc), 839999 (Price Engineering Company, Llc).
What are the specifications of 839999?
Key specifications for 839999: Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-728-2605 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.