The Packing with Retainer, cataloged under National Stock Number 5330-01-212-0126, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa. Government technical data includes 10 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-212-0126 |
| Primary Part Number | BA8761 |
| Item Name | Packing with Retainer |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Surface Treatment Document and Classification | MIL-C-5541 CL 3 MIL SPEC 1ST TREATMENT RESPONSE RETAINER |
| Packing Inside Diameter | 3.480 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | QQ-A-250/11 ALLOY 6061-T6 FED SPEC 1ST MATERIAL RESPONSE OR AMS 4023 ALLOY 6061-T6 FED SPEC 2ND MATERIAL RESPONSE RETAINER |
| Retainer Thickness | 0.020 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Material | RUBBER FLUOROSILICONE CLASS FQ PACKING |
| Material | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY RETAINER |
| Construction | TWO-PIECE |
| 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 |
|---|---|
| BA8761 PRIMARY | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| 40120-19 PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| BA8761 | 5/9 Secondary reference U.S. Government activity |
| C407-19 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5330PL0672621 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| A-7188 | 5/9 Secondary reference Parker Hannifin Corporation Div Composite Sealing Systems Division |
| 5330PL1740487 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 41020-19 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| 798100 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-212-0126 is a Packing with Retainer, manufactured by Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-212-0126 has 2 manufacturer part numbers on file: BA8761 (Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa), 40120-19 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-428-6355. Verify interchangeability with system specifications before substitution.
Key specifications for BA8761: Temp Rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Surface Treatment Document and Classification: MIL-C-5541 CL 3 MIL SPEC 1ST TREATMENT RESPONSE RETAINER; Packing Inside Diameter: 3.480 INCHES NOMINAL IN; Material Document and Classification: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE PACKING. 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.