The Bellows,protection, cataloged under National Stock Number 9390-01-169-9072, is classified within Federal Supply Class 9390 (Miscellaneous Fabricated Nonmetallic Materials) of the Nonmetallic Fabricated Materials group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9390-01-169-9072 |
| Item Name | Bellows,protection |
| FSC / FSG | 9390 / 93 — Miscellaneous Fabricated Nonmetallic Materials |
| Status | ACTIVE |
| Mounting Hole Quantity | 16 |
| Material Document and Classification | ZZ-R-765, CLASS 3B, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Neutral Length | 3.500 INCHES NOMINAL IN |
| Features Provided | FLANGED BASE |
| End Inside Diameter | 1.500 INCHES NOMINAL IN |
| Material | RUBBER SILICONE |
| End Outside Diameter | 2.750 INCHES NOMINAL IN |
| Durometer Hardness Rating | 45.0 MINIMUM AND 55.0 MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2677204-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 9390-01-169-9072 is a Bellows,protection, classified under FSC 9390, Miscellaneous Fabricated Nonmetallic Materials. Status: active.
Key specifications for 9390-01-169-9072: Mounting Hole Quantity: 16; Material Document and Classification: ZZ-R-765, CLASS 3B, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE; Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Neutral Length: 3.500 INCHES NOMINAL IN. 9 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.