The Ring,wearing, cataloged under National Stock Number 4320-00-008-7316, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-00-008-7316 |
| Primary Part Number | B512D6CX13A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Chamfer Length | 0.062 INCHES NOMINAL OUTSIDE RIGHT CORNER IN |
| Chamfer Length | 0.062 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Chamfer Length | 0.062 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Body Style | PLAIN |
| Body Outside Diameter | 5.625 INCHES NOMINAL IN |
| Body Inside Diameter | 5.000 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE LEFT CORNER |
| Material | STEEL |
| 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 |
|---|---|
| B512D6CX13A PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| B512D6CX13 | 5/9 Secondary reference U.S. Government activity |
| B512D6CX13A | 3/9 Design control — primary reference U.S. Government activity |
| CS4320-0321-1 | C/1 Advisory reference — outside the item-of-supply concept Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 4320-00-008-7316 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-008-7316 has 1 manufacturer part number on file: B512D6CX13A (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
1 possible match (shared part number, not a government interchangeability claim): 4320-00-951-6396. Verify interchangeability with system specifications before substitution.
Key specifications for B512D6CX13A: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: CHAMFERED INSIDE RIGHT CORNER; Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER; Chamfer Length: 0.062 INCHES NOMINAL OUTSIDE RIGHT CORNER IN. 13 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.