The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-071-9545, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sonfarrel Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-071-9545 |
| Primary Part Number | 987644 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sonfarrel Inc. |
| Status | ACTIVE |
| Opening Inside Diameter | 1.750 INCHES NOMINAL IN |
| Body Outside Diameter | 2.620 INCHES NOMINAL IN |
| Body Height | 2.979 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE, EXPANDABLE |
| Material Document and Classification | MIL-P-26514 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Thickness | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Base Outside Diameter | 2.080 INCHES NOMINAL IN |
| Material | PLASTIC POLYURETHANE BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 987644 PRIMARY | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 42277E194 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42277E194 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-071-9545 is a Boot,dust and Moisture Seal, manufactured by Sonfarrel Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-071-9545 has 1 manufacturer part number on file: 987644 (Sonfarrel Inc.).
Key specifications for 987644: Overall Height: 3.310 INCHES NOMINAL IN; Opening Inside Diameter: 1.750 INCHES NOMINAL IN; Body Outside Diameter: 2.620 INCHES NOMINAL IN; Body Height: 2.979 INCHES NOMINAL IN. 8 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.