The O-Ring, cataloged under National Stock Number 5331-00-647-0899, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parco, Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-647-0899 |
| Primary Part Number | 2930-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parco, Llc |
| Status | ACTIVE |
| Temp Rating | -10.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 5.961 INCHES MINIMUM AND 6.007 INCHES MAXIMUM IN |
| Material | RUBBER POLYACRYLATE-ACRYLONITRILE CLASS ANM |
| 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 |
|---|---|
| 2930-70 | Parco, Llc (USA) |
| AA1502-258 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 8351031 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| HR166-282 | Lydall Inc Elastomer Products Group (USA) |
| Reference | Meaning |
|---|---|
| A1716-258 | 3/2 Design control — primary reference U.S. Government activity |
| 5330006470899 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| A512-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-00-647-0899 is a O-Ring, manufactured by Parco, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-647-0899 has 4 manufacturer part numbers on file: 2930-70 (Parco, Llc), AA1502-258 (Parker-Hannifin Corp Div O-Ring Division), 8351031 (U S Army Tank Automotive Command Amsta-Im-Mm), HR166-282 (Lydall Inc Elastomer Products Group).
6 possible matches (shared part number, not a government interchangeability claim): 5331-00-736-0288, 5330-00-753-9712, 5331-00-815-7994. Verify interchangeability with system specifications before substitution.
Key specifications for 2930-70: Temp Rating: -10.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 5.961 INCHES MINIMUM AND 6.007 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.