NSN 5331-00-542-1625 · NIIN 005421625 · Part number 21474
Schneider Electric Systems Usa Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 73475
Government record, cited
NSN 5331-00-542-1625 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-542-1625. Manufacturer of record part number: 21474.
Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter: 0.424 INCHES NOMINAL IN
Material: RUBBER SILICONE CLASS Q
1 manufacturer part number on file
Manufacturer of record: Schneider Electric Systems Usa Inc
Identification
NSN: 5331-00-542-1625
NIIN: 005421625
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 21474
Manufacturer: Schneider Electric Systems Usa Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-00-542-1625, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5331-00-542-1625
Primary Part Number
21474
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Schneider Electric Systems Usa Inc
Status
ACTIVE
Cross-Sectional Height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter
0.424 INCHES NOMINAL IN
Material
RUBBER SILICONE CLASS Q
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
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-00-780-69133P96008-115POSSIBLE MATCH
CLAMP,LOOP
Possible match (shared part number)Lockheed Martin Corp
6105-01-034-949921474POSSIBLE MATCH
YOKE,ELECTRICAL
Possible match (shared part number)Kearfott Corporation Div Guidance and Navigation Division
6150-01-098-700621474POSSIBLE MATCH
CORE ASSEMBLY FERRA
Possible match (shared part number)Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
3120-01-417-817721474POSSIBLE MATCH
BEARING,WASHER,THRUST
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
NSN 5331-00-542-1625 is a O-Ring, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-00-542-1625?
NSN 5331-00-542-1625 has 1 manufacturer part number on file: 21474 (Schneider Electric Systems Usa Inc).
What NSN replaces 5331-00-542-1625?
4 possible matches (shared part number, not a government interchangeability claim): 5340-00-780-6913, 6105-01-034-9499, 6150-01-098-7006. Verify interchangeability with system specifications before substitution.
What are the specifications of 21474?
Key specifications for 21474: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.424 INCHES NOMINAL IN; Material: RUBBER SILICONE CLASS Q. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5331-00-542-1625 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.