NSN 5331-00-979-5520 · NIIN 009795520 · Part number H125-285
Dresser Industries Inc Leroi Div · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 35301
Government record, cited
NSN 5331-00-979-5520 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-979-5520. Manufacturer of record part number: H125-285.
Also searched as5331-00-979-5520 ·
5331009795520 ·
NIIN 009795520 ·
00-979-5520 ·
FSC 5331 O-ring · CAGE 35301 · H125-285
Manufacturer of record: Dresser Industries Inc Leroi Div
Identification
NSN: 5331-00-979-5520
NIIN: 009795520
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: H125-285
Manufacturer: Dresser Industries Inc Leroi Div
General Description
The O-Ring, cataloged under National Stock Number 5331-00-979-5520, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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 5331-00-979-5520?
NSN 5331-00-979-5520 is a O-Ring, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-979-5520?
NSN 5331-00-979-5520 has 1 manufacturer part number on file: H125-285 (Dresser Industries Inc Leroi Div).
What are the specifications of H125-285?
Key specifications for H125-285: Cross-Sectional Height: 0.139 INCHES NOMINAL IN; Material: RUBBER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-979-5520 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.