O-Ring 5331-01-657-5231 NSN 5331-01-657-5231 · NIIN 016575231 · Part number O456X3.5N
Kessler Intl Corp · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE
3S597
NSN 5331-01-657-5231 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-657-5231. Manufacturer of record part number: O456X3.5N .
Also searched as
5331-01-657-5231 ·
5331016575231 ·
NIIN
016575231 ·
01-657-5231 ·
FSC
5331 O-ring · CAGE
3S597 ·
O456X3.5N
SECTION
O-RING CROSS SECTION
5331-01-657-5231 — O-ring
Features
O-Ring — FSC 5331 2 manufacturer part numbers on file Manufacturer of record: Kessler Intl Corp
Identification
NSN: 5331-01-657-5231
NIIN: 016575231
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: O456X3.5N
Manufacturer: Kessler Intl Corp
General Description
The O-Ring, cataloged under National Stock Number 5331-01-657-5231, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kessler Intl Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 5331-01-657-5231 Primary Part Number O456X3.5N Item Name O-Ring FSC / FSG 5331 / 53 — O-ring Manufacturer Kessler Intl Corp Status ACTIVE
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
Cross-Reference Index
Part Number Manufacturer
O456X3.5N PRIMARY Kessler Intl Corp (USA)
O456X3.5N Ktsdi Llc (USA)
No interchangeability data on file.
Other items in FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
Frequently Asked Questions
What is NSN 5331-01-657-5231?
NSN 5331-01-657-5231 is a O-Ring, manufactured by Kessler Intl Corp, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-657-5231?
NSN 5331-01-657-5231 has 2 manufacturer part numbers on file: O456X3.5N (Kessler Intl Corp), O456X3.5N (Ktsdi Llc).
What are the specifications of O456X3.5N?
Key specifications for O456X3.5N: End Item Identification: 3039-01-522-7364. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5331-01-657-5231 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.
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