NSN 5331-01-537-0211 · NIIN 015370211 · Part number A3.4065-1.250IN-ITEM 16
Young & Cunningham America, Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 08PB1
Government record, cited
NSN 5331-01-537-0211 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-537-0211. Manufacturer of record part number: A3.4065-1.250IN-ITEM 16.
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
1 manufacturer part number on file
Manufacturer of record: Young & Cunningham America, Inc.
Identification
NSN: 5331-01-537-0211
NIIN: 015370211
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: A3.4065-1.250IN-ITEM 16
Manufacturer: Young & Cunningham America, Inc.
General Description
The O-Ring, cataloged under National Stock Number 5331-01-537-0211, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Young & Cunningham America, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
5331-01-537-0211
Primary Part Number
A3.4065-1.250IN-ITEM 16
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Young & Cunningham America, Inc.
Status
ACTIVE
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5331-01-537-0215A3.4065-1.250IN-ITEM 6POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-698-5841A3.4065-1.00IN ITEM 6POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5331-01-698-5842A3.4065-1.00IN ITEM 16POSSIBLE MATCH
O-RING
Possible match (shared part number)Young & Cunningham America, Inc.
5340-01-698-5844A3.4065-1.00IN ITEM 9POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
Possible match (shared part number)Young & Cunningham America, Inc.
5340-01-698-5845A3.4065-1.00IN ITEM 10POSSIBLE MATCH
LEVER,LOCK-RELEASE
Possible match (shared part number)Young & Cunningham America, Inc.
NSN 5331-01-537-0211 is a O-Ring, manufactured by Young & Cunningham America, Inc., classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-537-0211?
NSN 5331-01-537-0211 has 1 manufacturer part number on file: A3.4065-1.250IN-ITEM 16 (Young & Cunningham America, Inc.).
What NSN replaces 5331-01-537-0211?
5 possible matches (shared part number, not a government interchangeability claim): 5331-01-537-0215, 5331-01-698-5841, 5331-01-698-5842. Verify interchangeability with system specifications before substitution.
What are the specifications of A3.4065-1.250IN-ITEM 16?
Key specifications for A3.4065-1.250IN-ITEM 16: End Item Identification: VALVE, GATE, QUICK CLOSE A3.4065-1.250 IN IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 specification is documented in the U.S. Government catalog.
Is NSN 5331-01-537-0211 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.