The Adapter,test Set, cataloged under National Stock Number 4921-01-024-2037, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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 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 | 4921-01-024-2037 |
| Primary Part Number | 2498940 |
| Item Name | Adapter,test Set |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | C/O CRES QQ-S-763 CL 316 COND A,1.180 IN. OD,1.000 IN. LG,1/8-27 NPT IN EACH END,0.331 IN. HOLE THROUGH,0.125 IN. THICK FLANGE FIRST END,0.875-14 UNF THREAD UNDER FLANGE 0.465 IN. LG,FLATTED ONE SIDE TO 0.815 IN.,SECOND END 0.560 IN. OD 0.400 IN. FROM END,FLANGE PACKING PREFORMED TREPAN UNDERSIDE 0.086 IN. W,BY 0.052 IN. DP,PASSIVATED PER QQ-P-35 TY 2 O/A IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2498940 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4921-01-024-2037 is a Adapter,test Set, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-01-024-2037 has 1 manufacturer part number on file: 2498940 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-319-5906. Verify interchangeability with system specifications before substitution.
Key specifications for 2498940: General Characteristics Item Description: C/O CRES QQ-S-763 CL 316 COND A,1.180 IN. OD,1.000 IN. LG,1/8-27 NPT IN EACH END,0.331 IN. HOLE THROUGH,0.125 IN. THICK FLANGE FIRST END,0.875-14 UNF THREAD UNDER FLANGE 0.465 IN. LG,FLATTED ONE SIDE TO 0.815 IN.,SECOND END 0.560 IN. OD 0.400 IN. FROM END,FLANGE PACKING PREFORMED TREPAN UNDERSIDE 0.086 IN. W,BY 0.052 IN. DP,PASSIVATED PER QQ-P-35 TY 2 O/A IN. 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.
NSN 4921-01-024-2037 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.