The Retainer,packing, cataloged under National Stock Number 5330-01-382-5961, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-382-5961 |
| Primary Part Number | 12981N18 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Attachment Hole Diameter | 0.312 INCHES NOMINAL IN |
| Attachment Feature Quantity | 12 |
| Cross-Sectional Height | 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B446, GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | U |
| Attachment Feature Circle Diameter | 6.250 INCHES NOMINAL SINGLE CIRCLE IN |
| Peripheral Diameter | 7.113 INCHES MINIMUM AND 7.123 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.980 INCHES MINIMUM AND 5.020 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 625 OVERALL |
| Attachment Method | ROUND HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12981N18 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| 12132F18-323 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 12981N18 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-01-382-5961 is a Retainer,packing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-382-5961 has 1 manufacturer part number on file: 12981N18 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for 12981N18: Attachment Hole Diameter: 0.312 INCHES NOMINAL IN; Attachment Feature Quantity: 12; Cross-Sectional Height: 0.590 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Material Document and Classification: ASTM B446, GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 10 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.