The O-Ring, cataloged under National Stock Number 5331-01-315-7104, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-315-7104 |
| Primary Part Number | ST2283-122 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 7257 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| ST2283-122 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| ST2283-122 | Kalrez Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| KDAC10899 | 5/9 Secondary reference Kalrez Usa, Llc |
| 5331PL0658528 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| KDAC10899 | 5/9 Secondary reference Du Pont E I De Nemours and Co Inc Polymer Products - Industrial Polymers Div |
NSN 5331-01-315-7104 is a O-Ring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-315-7104 has 2 manufacturer part numbers on file: ST2283-122 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), ST2283-122 (Kalrez Usa, Llc).
Key specifications for ST2283-122: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Material Document and Classification: AMS 7257 ASSN STD SINGLE MATERIAL RESPONSE; Center Hole Diameter: 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 4 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.