The O-Ring, cataloged under National Stock Number 5331-00-498-5737, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Limited. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-498-5737 |
| Primary Part Number | 754-4-37002-119 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Limited |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 1.130 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 754-4-37002-119 | Eaton Limited (GBR) |
| Reference | Meaning |
|---|---|
| M25988/1-119 | 2/2 Government specification standardization U.S. Government activity |
| 5331PL0657015 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MIL-DTL-25988/1 | 4/1 Identification reference U.S. Government activity |
| AE18688-119 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MILR25988 | 5/9 Secondary reference U.S. Government activity |
| 10159865 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| M25988/1-119ES | 5/9 Secondary reference Eriks B.v. |
NSN 5331-00-498-5737 is a O-Ring, manufactured by Eaton Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-498-5737 has 1 manufacturer part number on file: 754-4-37002-119 (Eaton Limited).
Key specifications for 754-4-37002-119: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 1.130 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 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.