The Packing Assembly, cataloged under National Stock Number 5330-01-129-0659, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Trelleborg Sealing Solutions Us, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-129-0659 |
| Primary Part Number | S38421-210BAK1 |
| Item Name | Packing Assembly |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Intermediate Ring Quantity | 1 |
| Outside Diameter | 1.009 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR BOTTOM RING |
| Cross-Sectional Shape Style | SQUARE/RECTANGULAR TOP RING |
| Cross-Sectional Shape Style | SPECIAL INTERMEDIATE RING |
| Inside Diameter | 0.731 INCHES NOMINAL IN |
| Height | 0.227 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR INTERMEDIATE RING |
| Joint Type | SCARF-PERIPHERAL TOP RING |
| Joint Type | SCARF-PERIPHERAL BOTTOM RING |
| 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 |
|---|---|
| 7210MS-160-T | Greene Tweed & Co Inc (USA) |
| S38421-210BAK1 PRIMARY | Trelleborg Sealing Solutions Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10119737 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7210MS160-T | 5/9 Secondary reference Palmetto Inc |
| ST7M254-210-2 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5330-01-129-0659 is a Packing Assembly, manufactured by Trelleborg Sealing Solutions Us, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-129-0659 has 2 manufacturer part numbers on file: 7210MS-160-T (Greene Tweed & Co Inc), S38421-210BAK1 (Trelleborg Sealing Solutions Us, Inc.).
Key specifications for S38421-210BAK1: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Intermediate Ring Quantity: 1; Outside Diameter: 1.009 INCHES NOMINAL IN; Material Document and Classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING. 12 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.