The O-Ring, cataloged under National Stock Number 5331-01-662-2604, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bauer Compressors, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Bauer Compressors, Inc. (CAGE 57328) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-662-2604 |
| Primary Part Number | N23755 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bauer Compressors, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N23755 PRIMARY | Bauer Compressors, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HPBAC-ASY-0009 ITEM 252 | C/1 Advisory reference — outside the item-of-supply concept Bauer Compressors, Inc. |
| HPBAC-ASY-0009 | D/9 Drawing number reference only Bauer Compressors, Inc. |
NSN 5331-01-662-2604 is a O-Ring, manufactured by Bauer Compressors, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-662-2604 has 1 manufacturer part number on file: N23755 (Bauer Compressors, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5330-01-662-2667, 5325-01-662-2707, 5315-01-662-2718. Verify interchangeability with system specifications before substitution.
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.