The Gasket, cataloged under National Stock Number 5330-00-579-2937, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-579-2937 |
| Primary Part Number | 231B23 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| FSC Application Data | GEAR BOX ASSY,AIRCRAFT |
| Cross-Sectional Thickness | 0.015 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.630 INCHES NOMINAL IN |
| Aperture Diameter | 1.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.187 INCHES NOMINAL IN |
| Material | PAPER AND GLUE AND GLYCERIN OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 231B23 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 5330-00-579-2937 is a Gasket, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-579-2937 has 1 manufacturer part number on file: 231B23 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Key specifications for 231B23: FSC Application Data: GEAR BOX ASSY,AIRCRAFT; Cross-Sectional Thickness: 0.015 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL. 11 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.