The Retainer,packing, cataloged under National Stock Number 5330-01-013-5497, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-013-5497 |
| Primary Part Number | 25570-03 |
| Item Name | Retainer,packing |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Body Recess Diameter | 1.960 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN |
| Material Document and Classification | 04-140 FSCM 24235 MFR REF ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | FLANGE |
| Peripheral Diameter | 2.099 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.660 INCHES MINIMUM AND 1.664 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY AND RUBBER NATURAL AND IRON ALLOY OVERALL |
| 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 |
|---|---|
| 25570-03 PRIMARY | Williams International Co., L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 25570-403 | 5/9 Secondary reference Williams International Co., L.l.c. |
NSN 5330-01-013-5497 is a Retainer,packing, manufactured by Williams International Co., L.l.c., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-013-5497 has 1 manufacturer part number on file: 25570-03 (Williams International Co., L.l.c.).
Key specifications for 25570-03: Cross-Sectional Height: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Body Recess Diameter: 1.960 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN; Material Document and Classification: 04-140 FSCM 24235 MFR REF ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: FLANGE. 7 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.