The Gasket, cataloged under National Stock Number 5330-00-576-9243, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-576-9243 |
| Primary Part Number | AFB2971B |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Material Document and Classification | MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 8.375 INCHES NOMINAL IN |
| Aperture Diameter | 6.375 INCHES NOMINAL IN |
| Bolt Circle Diameter | 7.375 INCHES NOMINAL IN |
| Material | PAPER AND GLUE OVERALL |
| Hole Diameter | 0.563 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 |
|---|---|
| AFB2971B PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| AFB2971B | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-00-576-9243 is a Gasket, manufactured by Fairbanks Morse, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-576-9243 has 1 manufacturer part number on file: AFB2971B (Fairbanks Morse, Llc).
Key specifications for AFB2971B: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Material Document and Classification: MIL-G-12803,NO. +3313-B MIL SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 8.375 INCHES NOMINAL IN. 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.