The Swivel Lock Assembly, cataloged under National Stock Number 2590-01-182-8757, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Aps Systems, Inc Dba Eidal International Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2590-01-182-8757 |
| Primary Part Number | EMD58377 |
| Item Name | Swivel Lock Assembly |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Aps Systems, Inc Dba Eidal International Corp |
| Status | ACTIVE |
| General Characteristics Item Description | PIN AND HOUSING,STEEL ALLOY 4340;PIN 7.000 IN. LG; SQUARE HEAD,1.370 IN. LG; THREADED SECTION 2.875 IN. LG. WITH 1-12 UNF-3A THREADS; RECESSED SECTION BETWEEN HEAD AND THREADS 2.000 IN. LG; HOUSING 4.000 IN. LG; WIDTH ACROSS FLATS 1.500 IN; INTERNALLY THREADED 1-12 UNF-3B THROUGH; EXTERNALLY THREADED ON LARGER O.D. 1 1/4-12 UNF-2A 1.500 IN. LG; SMALLER SECTION 1.145 IN. DIA. AND FINISHED SMOOTH; 2 ROLL PINS THROUGH HEAD FLATS TO RETAIN SHAFT IN HOUSING AND ALLOW SHAFT FREE TRAVEL A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| EMD58377 PRIMARY | Aps Systems, Inc Dba Eidal International Corp (USA) |
| Reference | Meaning |
|---|---|
| EMD58377 | 5/9 Secondary reference Eidal International Corporation |
NSN 2590-01-182-8757 is a Swivel Lock Assembly, manufactured by Aps Systems, Inc Dba Eidal International Corp, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-182-8757 has 1 manufacturer part number on file: EMD58377 (Aps Systems, Inc Dba Eidal International Corp).
Key specifications for EMD58377: General Characteristics Item Description: PIN AND HOUSING,STEEL ALLOY 4340;PIN 7.000 IN. LG; SQUARE HEAD,1.370 IN. LG; THREADED SECTION 2.875 IN. LG. WITH 1-12 UNF-3A THREADS; RECESSED SECTION BETWEEN HEAD AND THREADS 2.000 IN. LG; HOUSING 4.000 IN. LG; WIDTH ACROSS FLATS 1.500 IN; INTERNALLY THREADED 1-12 UNF-3B THROUGH; EXTERNALLY THREADED ON LARGER O.D. 1 1/4-12 UNF-2A 1.500 IN. LG; SMALLER SECTION 1.145 IN. DIA. AND FINISHED SMOOTH; 2 ROLL PINS THROUGH HEAD FLATS TO RETAIN SHAFT IN HOUSING AND ALLOW SHAFT FREE TRAVEL A. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.