The Seal Ring,metal, cataloged under National Stock Number 5330-00-271-9016, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-271-9016 |
| Primary Part Number | CAFB4305B |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Material Document and Classification | MIL-B-16261,GRADE 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | STRAIGHT FACE SCRAPER, VENTILATED OIL CONTROL |
| Joint Style | STEP JOINT |
| Inside Diameter | 5.297 INCHES NOMINAL IN |
| Radial Wall Thickness | 0.1950 INCHES MINIMUM AND 0.2250 INCHES MAXIMUM IN |
| Ring Style | CONTRACTING CONCENTRIC |
| Material | COPPER ALLOY 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 |
|---|---|
| CAFB4305B PRIMARY | Fairbanks Morse, Llc (USA) |
| 3001969 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| AFB4305B | 5/9 Secondary reference U.S. Government activity |
| 3001969 | 5/9 Secondary reference U.S. Government activity |
| CAFB4305B | 3/9 Design control — primary reference U.S. Government activity |
NSN 5330-00-271-9016 is a Seal Ring,metal, manufactured by Fairbanks Morse, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-271-9016 has 2 manufacturer part numbers on file: CAFB4305B (Fairbanks Morse, Llc), 3001969 (Naval Sea Systems Command).
Key specifications for CAFB4305B: Overall Width: 0.2460 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-16261,GRADE 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: STRAIGHT FACE SCRAPER, VENTILATED OIL CONTROL; Joint Style: STEP JOINT. 7 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.