The Insulator,bushing, cataloged under National Stock Number 5970-01-140-6655, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-140-6655 |
| Primary Part Number | LO1571 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Identification Code Color | NATURAL |
| Shank Height | 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-M-20693, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.200 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Inside Diameter | 0.140 INCHES NOMINAL IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LO1571 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| B-113306-2 | 3/1 Design control — primary reference U.S. Government activity |
| 113306 | 5/1 Secondary reference U.S. Government activity |
NSN 5970-01-140-6655 is a Insulator,bushing, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-140-6655 has 1 manufacturer part number on file: LO1571 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-269-8561. Verify interchangeability with system specifications before substitution.
Key specifications for LO1571: Overall Height: 0.469 INCHES NOMINAL IN; Identification Code Color: NATURAL; Shank Height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY. 10 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.