The Ring,retaining, cataloged under National Stock Number 5325-00-804-6856, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 9 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through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-804-6856 |
| Primary Part Number | 218633 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | CANCELLED |
| Material Hardness Rating | 82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.280 INCHES NOMINAL IN |
| Major Thickness | 0.015 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0218633-6856 | Szczypski, Michael (USA) |
| 218633 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
| Reference | Meaning |
|---|---|
| 443338 | C/1 Advisory reference — outside the item-of-supply concept Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 12Z5010-1 | 5/1 Secondary reference U.S. Government activity |
| N50000025HSTB | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 103A204-1 | 5/9 Secondary reference Textron Inc |
| 1051-0001-189 | 5/1 Secondary reference Carleton Technologies Inc Div Tampa Facility |
| 5365008046856 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| N5000-25HSTB | 5/1 Secondary reference Rotor Clip Company, Inc. |
| N5000-25HSTB | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 1051-0001-189CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| N5000-X25-H | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| DSR2130-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Aerospace Limited |
| N50000025HSTB | 5/1 Secondary reference Rotor Clip Company, Inc. |
| 10056125 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3000-X25SS2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 103A204-1 | C/1 Advisory reference — outside the item-of-supply concept Woodward Fst, Inc |
NSN 5325-00-804-6856 is a Ring,retaining, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5325, Fastening Devices. Status: cancelled.
NSN 5325-00-804-6856 has 2 manufacturer part numbers on file: 0218633-6856 (Szczypski, Michael), 218633 (Woodward, Inc. Div Fuel Systems and Controls).
3 possible matches (shared part number, not a government interchangeability claim): 5985-01-068-4655, 5930-01-325-9333, 5325-01-672-4123. Verify interchangeability with system specifications before substitution.
Key specifications for 218633: Material Hardness Rating: 82.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 86.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Usage Design: INTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 0.280 INCHES NOMINAL IN. 9 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.
NSN 5325-00-804-6856 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.