The O-Ring, cataloged under National Stock Number 5331-00-527-8228, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-527-8228 |
| Primary Part Number | 1240988-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR |
| 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 |
|---|---|
| 1240988-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 1240988-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5331-00-527-8228 is a O-Ring, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-527-8228 has 1 manufacturer part number on file: 1240988-1 (Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div).
Key specifications for 1240988-1: Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-STYRENE CLASS SBR. 2 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.