The O-Ring, cataloged under National Stock Number 5331-01-677-1707, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Div Weapon System. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-677-1707 |
| Primary Part Number | MS28775-014 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES NOMINAL IN |
| Center Hole Diameter | 0.484 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 2 0238-184 | Bae Systems Hagglunds Aktiebolag (SWE) |
| MS28775-014 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| MS28775-014 | 3/9 Design control — primary reference Alliant Techsystems Operations Llc |
NSN 5331-01-677-1707 is a O-Ring, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-677-1707 has 2 manufacturer part numbers on file: 2 0238-184 (Bae Systems Hagglunds Aktiebolag), MS28775-014 (Northrop Grumman Systems Corp Div Weapon System).
Key specifications for MS28775-014: Cross-Sectional Height: 0.067 INCHES NOMINAL IN; Center Hole Diameter: 0.484 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.