The Insulator,bushing, cataloged under National Stock Number 5970-00-320-1859, 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 Gtaa Llc Dba Gtaa Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-320-1859 |
| Primary Part Number | CB21-531F |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Gtaa Llc Dba Gtaa Llc |
| Status | ACTIVE |
| Identification Code Color | BLACK |
| Shank Height | 0.070 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | DELRIN 500, E I DUPONT DE NEMOURS AND CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.170 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.137 INCHES NOMINAL IN |
| Inside Diameter | 0.102 INCHES NOMINAL IN |
| Material | POLYOXYMETHYLENE, ACETAL HOMOPOLYMER (POM-H) 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 |
|---|---|
| CB21-531F PRIMARY | Gtaa Llc Dba Gtaa Llc (USA) |
NSN 5970-00-320-1859 is a Insulator,bushing, manufactured by Gtaa Llc Dba Gtaa Llc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-320-1859 has 1 manufacturer part number on file: CB21-531F (Gtaa Llc Dba Gtaa Llc).
Key specifications for CB21-531F: Overall Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Identification Code Color: BLACK; Shank Height: 0.070 INCHES NOMINAL IN; Style Designator: SHOULDER. 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.