The Gasket, cataloged under National Stock Number 5330-00-757-5458, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-00-757-5458 |
| Primary Part Number | H857-317 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Astec Industries Inc Div Astec Ind. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Gasket Center to Flat Distance | 2.250 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.000 INCHES NOMINAL IN |
| Material | CELLULOSE 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 |
|---|---|
| H857-317 PRIMARY | Astec Industries Inc Div Astec Ind. (USA) |
| Reference | Meaning |
|---|---|
| H857-317 | C/1 Advisory reference — outside the item-of-supply concept Minnpar, Llc Dba Minnpar |
| H857-317 | 5/9 Secondary reference Barber-Greene Co |
NSN 5330-00-757-5458 is a Gasket, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-757-5458 has 1 manufacturer part number on file: H857-317 (Astec Industries Inc Div Astec Ind.).
Key specifications for H857-317: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Gasket Center to Flat Distance: 2.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 5.000 INCHES NOMINAL IN. 6 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.