The Seal,plain, cataloged under National Stock Number 5330-01-310-7057, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division. 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 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 | 5330-01-310-7057 |
| Primary Part Number | 46318 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division |
| Status | ACTIVE |
| Seal Width | 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Housing Bore Diameter | 1.696 INCHES MINIMUM AND 1.724 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5529 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| Cross-Sectional Shape Style | C-SECTION W/ FLAT SPRING |
| Accommodated Shaft Diameter | 1.500 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN |
| Material | STEEL COMP 631 SPRING |
| Material | PLASTIC TETRAFLUOROETHYLENE JACKET |
| Construction | ONE-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-310-7057 is a Seal,plain, manufactured by Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-310-7057 has 2 manufacturer part numbers on file: 46318 (Parker-Hannifin Corporation Dba Parker Hannifin Advanced Products Co Div Composite Sealing Systems Division), 12376116 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-495-4131. Verify interchangeability with system specifications before substitution.
Key specifications for 46318: Seal Width: 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN; Housing Bore Diameter: 1.696 INCHES MINIMUM AND 1.724 INCHES MAXIMUM IN; Material Document and Classification: AMS 5529 ASSN STD SINGLE MATERIAL RESPONSE SPRING; Cross-Sectional Shape Style: C-SECTION W/ FLAT SPRING. 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.