The O-Ring, cataloged under National Stock Number 5331-01-458-5535, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc (CAGE 42905) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-458-5535 |
| Primary Part Number | BB100NNS26 ITEM 7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| WL113 | Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc (USA) |
| BB100NNS26 ITEM 7 PRIMARY | Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc (USA) |
NSN 5331-01-458-5535 is a O-Ring, manufactured by Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-458-5535 has 2 manufacturer part numbers on file: WL113 (Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc), BB100NNS26 ITEM 7 (Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.