The Seal,plain, cataloged under National Stock Number 5330-01-326-7599, 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. Dba Trelleborg Sealing Solutions Us, Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-326-7599 |
| Primary Part Number | AS-1660-0037-1045 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc |
| Status | ACTIVE |
| Seal Width | 0.081 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN |
| Housing Bore Diameter | 1.516 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | FLUOROLOY K,CAGEC 05939 MFR REF SINGLE MATERIAL RESPONSE PACKING |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Material | STEEL COMP 302 SPRING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Construction | SOLID |
| 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 |
|---|---|
| AS-1660-0037-1045 PRIMARY | Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc (USA) |
| 12376137 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| AS-1660-0037-1045 | C/1 Advisory reference — outside the item-of-supply concept Trelleborg Sealing Solutions Us, Inc. |
NSN 5330-01-326-7599 is a Seal,plain, manufactured by Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-326-7599 has 2 manufacturer part numbers on file: AS-1660-0037-1045 (Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc), 12376137 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for AS-1660-0037-1045: Seal Width: 0.081 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN; Housing Bore Diameter: 1.516 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN; Material Document and Classification: ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING; Material Document and Classification: FLUOROLOY K,CAGEC 05939 MFR REF SINGLE MATERIAL RESPONSE PACKING. 8 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.