The O-Ring, cataloged under National Stock Number 5331-01-599-7723, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-599-7723 |
| Primary Part Number | AMB20-1037-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.045 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 1.715 INCHES NOMINAL IN |
| Material | PLASTIC TETRAFLUOROETHYLENE |
| 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 |
|---|---|
| AMB20-1037-1 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| P26117 PRIMARY | Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings (USA) |
| Reference | Meaning |
|---|---|
| KMS1406-20 | 5/2 Secondary reference U.S. Government activity |
| B-20-2671 | 3/2 Design control — primary reference U.S. Government activity |
| 4D0083-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-599-7723 is a O-Ring, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-599-7723 has 2 manufacturer part numbers on file: AMB20-1037-1 (New Hampshire Ball Bearings Inc Div Astro Division), P26117 (Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings).
Key specifications for AMB20-1037-1: Cross-Sectional Height: 0.045 INCHES NOMINAL IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE; Center Hole Diameter: 1.715 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PACKING, PREFORMED. 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.