The Ring,retaining, cataloged under National Stock Number 5325-01-476-7644, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-476-7644 |
| Primary Part Number | 14376N18 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Material | TITANIUM ALLOY |
| 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 |
|---|---|
| 14376N18 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 14276N18 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| PL14006N18-308 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 14376N18 | 5/9 Secondary reference U.S. Government activity |
| 14276N18 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| PL14006N18-308 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-01-476-7644 is a Ring,retaining, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-476-7644 has 2 manufacturer part numbers on file: 14376N18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 14276N18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-497-0553. Verify interchangeability with system specifications before substitution.
Key specifications for 14376N18: Special Features: RING, GLAND; MATERIAL SPEC IS ASTM B348, GR 2; End Item Identification: HARDWARE; SUB ATMOSPHERE CONTROL; Material: TITANIUM ALLOY. 1 specification is 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.