The Spacer,ring, cataloged under National Stock Number 5365-01-331-0137, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-331-0137 |
| Primary Part Number | S9011F408-040 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Outside Diameter | 2.910 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN |
| Overall Thickness | 0.040 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 5510 ASSN STD 5TH MATERIAL RESPONSE |
| Inside Diameter | 3.150 INCHES MINIMUM AND 3.350 INCHES MAXIMUM IN |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OR STEEL COMP 304 OR STEEL COMP 321 |
| 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 |
|---|---|
| S9011F408-040 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| S9011F408-040 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-331-0137 is a Spacer,ring, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-331-0137 has 1 manufacturer part number on file: S9011F408-040 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for S9011F408-040: Outside Diameter: 2.910 INCHES MINIMUM AND 2.920 INCHES MAXIMUM IN; Overall Thickness: 0.040 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 5510 ASSN STD 5TH MATERIAL RESPONSE; Inside Diameter: 3.150 INCHES MINIMUM AND 3.350 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.