The Gasket, cataloged under National Stock Number 5330-01-307-5052, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-307-5052 |
| Primary Part Number | MBL89961-16 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.875 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Material | RUBBER OVERALL |
| Nuclear Hardness Critical Feature | HARDENED |
| Hole Diameter | 0.625 INCHES NOMINAL ALL HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | H |
| Part Number | Manufacturer |
|---|---|
| MBL89961-16 PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| MBL89961-16 | 5/9 Secondary reference U.S. Government activity |
| MBL89961-16 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
NSN 5330-01-307-5052 is a Gasket, manufactured by Crane Co Div Valve Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-307-5052 has 1 manufacturer part number on file: MBL89961-16 (Crane Co Div Valve Div).
Key specifications for MBL89961-16: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 3.875 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.
NSN 5330-01-307-5052 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.