The O-Ring, cataloged under National Stock Number 5331-00-001-9734, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kleinsorge Verbindungstechnik Gmbh. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-001-9734 |
| Primary Part Number | 980-0000-176 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kleinsorge Verbindungstechnik Gmbh |
| Status | ACTIVE |
| Cross-Sectional Height | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Outside Diameter | 1.158 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 980-0000-176 | Kleinsorge Verbindungstechnik Gmbh (DEU) |
| 980-0000-176 | Itt Cannon Llc (USA) |
| PRP568-922-3110-70 | Parco, Llc (USA) |
| PRP922-2347 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 922-2347 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 1537599 | 5/1 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
| 5-140 C873-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| C0873 5-140 | 5/1 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 5-140 C873-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| B-22SR533-70 | 5/2 Secondary reference U.S. Government activity |
| MS28900 | 4/1 Identification reference U.S. Government activity |
| MS28900-22 | 2/2 Government specification standardization U.S. Government activity |
NSN 5331-00-001-9734 is a O-Ring, manufactured by Kleinsorge Verbindungstechnik Gmbh, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-001-9734 has 5 manufacturer part numbers on file: 980-0000-176 (Kleinsorge Verbindungstechnik Gmbh), 980-0000-176 (Itt Cannon Llc), PRP568-922-3110-70 (Parco, Llc), PRP922-2347 (Parker Hannifin Corporation Div O-Ring Division), 922-2347 (Parker Hannifin Corporation Div O-Ring Division).
12 possible matches (shared part number, not a government interchangeability claim): 5331-00-053-5465, 5331-00-221-0373, 5331-00-404-4583. Verify interchangeability with system specifications before substitution.
Key specifications for 980-0000-176: Cross-Sectional Height: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Outside Diameter: 1.158 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN. 5 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.