The Valve Assembly,regulating, cataloged under National Stock Number 2520-01-017-9993, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dana Off Highway Products, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-01-017-9993 |
| Primary Part Number | 231075 |
| Item Name | Valve Assembly,regulating |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON BODY; 2 SPRING LOADED RELIEF VALVES; 6.250 IN. O/A LG; 5.335 IN. O/A W; 2.250 IN. O/A THK; 4 MTG HOLES 0.488 IN. DIA SPACED 3.815 IN. BETWEEN CENTERS ON LG; 3.500 IN. BETWEEN CENTERS ON WIDTH IN |
| 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 |
|---|---|
| 231075 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 9-904-103771 | C/1 Advisory reference — outside the item-of-supply concept Keystone Automotive Operations Inc Dba Grove North America |
| 9-904-103771 | C/1 Advisory reference — outside the item-of-supply concept Grove U.s. Llc Dba Grove Us Llc |
NSN 2520-01-017-9993 is a Valve Assembly,regulating, manufactured by Dana Off Highway Products, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-017-9993 has 1 manufacturer part number on file: 231075 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-609-3906. Verify interchangeability with system specifications before substitution.
Key specifications for 231075: General Characteristics Item Description: CAST IRON BODY; 2 SPRING LOADED RELIEF VALVES; 6.250 IN. O/A LG; 5.335 IN. O/A W; 2.250 IN. O/A THK; 4 MTG HOLES 0.488 IN. DIA SPACED 3.815 IN. BETWEEN CENTERS ON LG; 3.500 IN. BETWEEN CENTERS ON WIDTH IN; End Item Identification: 2420-66-148-7692, HMEE (HIGH MOBILITY ENGINEER EXCAVATOR). 1 specification is 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.