The Packing,preformed, cataloged under National Stock Number 5330-00-755-9991, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kirkhill, Inc. Dba Kirkhill Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-00-755-9991 |
| Primary Part Number | 39-21074-1 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kirkhill, Inc. Dba Kirkhill Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.150 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.800 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 3.600 INCHES NOMINAL IN |
| Angle | 20.0 DEGREES NOMINAL |
| Inner Groove Width | 0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 4.200 INCHES NOMINAL IN |
| Material | RUBBER 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 |
|---|---|
| 39-21074-1 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| 39-21074-1 | 3/2 Design control — primary reference U.S. Government activity |
| 39-21074-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-755-9991 is a Packing,preformed, manufactured by Kirkhill, Inc. Dba Kirkhill Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-755-9991 has 1 manufacturer part number on file: 39-21074-1 (Kirkhill, Inc. Dba Kirkhill Inc).
Key specifications for 39-21074-1: Cross-Sectional Thickness: 0.150 INCHES NOMINAL IN; Cross-Sectional Height: 0.800 INCHES NOMINAL IN; Cross Section Inside Diameter: 3.600 INCHES NOMINAL IN; Angle: 20.0 DEGREES NOMINAL. 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.