O-Ring5331-01-255-1057

NSN 5331-01-255-1057 · NIIN 012551057 · Part number 00028495

Kasto Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 50471

Government record, cited

NSN 5331-01-255-1057 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-255-1057. Manufacturer of record part number: 00028495.

Also searched as 5331-01-255-1057 · 5331012551057 · NIIN 012551057 · 01-255-1057 · FSC 5331 O-ring · CAGE 50471 · 00028495

Nearby stock numbers ← 5331-01-255-1056 O-Ring · 5331-01-255-1058 O-Ring →

5331-01-255-1057 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Kasto Inc

Identification

NSN: 5331-01-255-1057
NIIN: 012551057
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 00028495
Manufacturer: Kasto Inc

General Description

The O-Ring, cataloged under National Stock Number 5331-01-255-1057, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kasto Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Kasto Inc (CAGE 50471)

Technical Specifications

Parameter	Value
NSN	5331-01-255-1057
Primary Part Number	00028495
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Kasto Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
00028495 PRIMARY	Kasto Inc (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.

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 5331-01-255-1057?

NSN 5331-01-255-1057 is a O-Ring, manufactured by Kasto Inc, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-255-1057?

NSN 5331-01-255-1057 has 1 manufacturer part number on file: 00028495 (Kasto Inc).

Is NSN 5331-01-255-1057 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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