The O-Ring, cataloged under National Stock Number 5331-01-656-3756, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Price Engineering Company, Llc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-656-3756 |
| Primary Part Number | 37900000 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Price Engineering Company, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 0.410 INCHES NOMINAL IN |
| Center Hole Diameter | 0.270 INCHES NOMINAL IN |
| 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 |
|---|---|
| 37900000 PRIMARY | Price Engineering Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4228435 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5331-01-656-3756 is a O-Ring, manufactured by Price Engineering Company, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-656-3756 has 1 manufacturer part number on file: 37900000 (Price Engineering Company, Llc).
Key specifications for 37900000: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 0.410 INCHES NOMINAL IN; Center Hole Diameter: 0.270 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: ORING,0.266 X 0.070, VS,70. 3 specifications are documented in the U.S. Government catalog.
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.