The Nonmetallic Special Shaped Secti, cataloged under National Stock Number 9390-00-641-0534, is classified within Federal Supply Class 9390 (Miscellaneous Fabricated Nonmetallic Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9390-00-641-0534 |
| Primary Part Number | 4-1160-53 |
| Item Name | Nonmetallic Special Shaped Secti |
| FSC / FSG | 9390 / 93 — Miscellaneous Fabricated Nonmetallic Materials |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Base Flange Thickness | 0.047 INCHES NOMINAL IN |
| Minimum Tensile Strength | ERR-060 |
| Cross-Sectional Shape Style | ROUND, HOLLOW CORE |
| Nondefinitive Spec/std Data | A TYPE AND 4 CLASS AND EXTRUDED FORM |
| Outside Radius | 0.094 INCHES NOMINAL IN |
| Environmental Protection | OIL RESISTANT AND OZONE RESISTANT AND WEATHER RESISTANT |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Nonmetallic Hardness Rating | 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A |
| Inside Radius | 0.063 INCHES NOMINAL 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 |
|---|---|
| 4-1160-53 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| MIL-R-6855 | 4/1 Identification reference U.S. Government activity |
NSN 9390-00-641-0534 is a Nonmetallic Special Shaped Secti, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 9390, Miscellaneous Fabricated Nonmetallic Materials. Status: active.
NSN 9390-00-641-0534 has 1 manufacturer part number on file: 4-1160-53 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 4-1160-53: Base Flange Thickness: 0.047 INCHES NOMINAL IN; Minimum Tensile Strength: ERR-060; Cross-Sectional Shape Style: ROUND, HOLLOW CORE; Overall Width: 0.750 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.