The Reduction Sleeve, cataloged under National Stock Number 5975-01-649-9630, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Glenair, Inc.. 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 | 5975-01-649-9630 |
| Primary Part Number | 259-021Z3A-4-12 |
| Item Name | Reduction Sleeve |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Glenair, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 259-021Z3A-4-12 PRIMARY | Glenair, Inc. (USA) |
NSN 5975-01-649-9630 is a Reduction Sleeve, manufactured by Glenair, Inc., classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-649-9630 has 1 manufacturer part number on file: 259-021Z3A-4-12 (Glenair, Inc.).
Key specifications for 259-021Z3A-4-12: Special Features: FROM WIRE SIZE 4 AWG; TO WIRE SIZE 12 AWG; OUT DIAMETER 0.275 INCHES; OVERALL LENGTH 0.465 INCHES; SILVER PLATE .0001-.0003 THICK IN; Part Name Assigned by Controlling Agency: CRIMP REDUCTION SLEEVES GLENAIR COMMITAL ITS SERIES. 0 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.