The Packing,preformed, cataloged under National Stock Number 5330-01-445-5699, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-445-5699 |
| Primary Part Number | 243-6758311 FIND MSAS-A126 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | MIL-R-6855, CLASS 1, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 243-6758311 FIND MSAS-A126 PRIMARY | Naval Sea Systems Command (USA) |
| A27-19977 FIND 5 | Naval Sea Systems Command (USA) |
| 211076218 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 243-6758311-MSA S-A126 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 211076218 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-445-5699 is a Packing,preformed, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-445-5699 has 3 manufacturer part numbers on file: 243-6758311 FIND MSAS-A126 (Naval Sea Systems Command), A27-19977 FIND 5 (Naval Sea Systems Command), 211076218 (Naval Sea Systems Command).
Key specifications for 243-6758311 FIND MSAS-A126: Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: MIL-R-6855, CLASS 1, GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL. 3 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.