The Ring,retaining, cataloged under National Stock Number 5325-00-598-9194, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-598-9194 |
| Primary Part Number | 74345 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Strength Rating | ERR-060 |
| Material Document and Classification | MIL-S-7947,ANY ACCEPTABLE MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 3.575 INCHES NOMINAL IN |
| Major Thickness | 0.060 INCHES NOMINAL IN |
| Inside Diameter | 3.059 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | ANGULAR CAP |
| Surface Treatment | OXIDE |
| Material | STEEL COMP 1095 |
| 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 |
|---|---|
| 74345 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 74345 | 3/2 Design control — primary reference U.S. Government activity |
| 74345 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5325-00-598-9194 is a Ring,retaining, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-598-9194 has 1 manufacturer part number on file: 74345 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 4440-01-458-5075. Verify interchangeability with system specifications before substitution.
Key specifications for 74345: Material Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Strength Rating: ERR-060; Material Document and Classification: MIL-S-7947,ANY ACCEPTABLE MIL SPEC SINGLE MATERIAL RESPONSE. 12 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.