NSN 5331-01-330-0275 · NIIN 013300275 · Part number 3601100
W S Darley & Co · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 15852
Government record, cited
NSN 5331-01-330-0275 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-330-0275. Manufacturer of record part number: 3601100.
The O-Ring, cataloged under National Stock Number 5331-01-330-0275, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is W S Darley & Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
O-Ring
FSC / FSG
5331 — O-ring (FSG 53)
Manufacturers
Kovatch Corp. (CAGE 59556); W S Darley & Co (CAGE 15852)
Technical Specifications
Parameter
Value
NSN
5331-01-330-0275
Primary Part Number
3601100
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
W S Darley & Co
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5331-01-726-26943601119POSSIBLE MATCH
O-RING
Possible match (shared part number)W S Darley & Co Div Darley Pump Division
NSN 5331-01-330-0275 is a O-Ring, manufactured by W S Darley & Co, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-330-0275?
NSN 5331-01-330-0275 has 2 manufacturer part numbers on file: 001720T (Kovatch Corp.), 3601100 (W S Darley & Co).
What NSN replaces 5331-01-330-0275?
1 possible match (shared part number, not a government interchangeability claim): 5331-01-726-2694. Verify interchangeability with system specifications before substitution.
Is NSN 5331-01-330-0275 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.