The Spacer,ring, cataloged under National Stock Number 5365-01-103-5977, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Safety Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-103-5977 |
| Primary Part Number | 315B131-1 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Outside Diameter | 2.936 INCHES MINIMUM AND 2.937 INCHES MAXIMUM IN |
| Overall Thickness | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Material Document and Classification | WW-T-700/3,T3 FED SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 2.500 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 315B131-1 PRIMARY | Meggitt Safety Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 315B131-1 | 5/9 Secondary reference Eaton Motor Site |
| 315B131-1 | 5/9 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
NSN 5365-01-103-5977 is a Spacer,ring, manufactured by Meggitt Safety Systems Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-103-5977 has 1 manufacturer part number on file: 315B131-1 (Meggitt Safety Systems Inc).
Key specifications for 315B131-1: Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Outside Diameter: 2.936 INCHES MINIMUM AND 2.937 INCHES MAXIMUM IN; Overall Thickness: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Material Document and Classification: WW-T-700/3,T3 FED SPEC SINGLE MATERIAL RESPONSE. 7 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.