The O-Ring, cataloged under National Stock Number 5331-01-027-3112, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-027-3112 |
| Primary Part Number | 546940 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 80 MAXIMUM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 546940 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 5330010273112 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| AS568B-216 | Society of Automotive Engineers Inc (USA) |
| AMS-P-5510 | Society of Automotive Engineers Inc (USA) |
| 5331010273112 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| AMS-P-5510 | Sae International Dba Sae International (USA) |
NSN 5331-01-027-3112 is a O-Ring, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-027-3112 has 6 cross-referenced part numbers: 546940 (Army Weapons Command Attn Amswe-Ree-S), 5330010273112 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), AS568B-216 (Society of Automotive Engineers Inc), AMS-P-5510 (Society of Automotive Engineers Inc), 5331010273112 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales) and 1 more.
There are 12 known substitutes for 5331-01-027-3112: 5331-00-021-2891, 5331-00-054-6940, 5331-00-251-8839 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 546940: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.