The Clamp,muffler Hold Down, cataloged under National Stock Number 2990-01-022-3962, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-022-3962 |
| Primary Part Number | 610301 |
| Item Name | Clamp,muffler Hold Down |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | MATL,SAE 1010 HOT ROLLED STEEL,0.0478 IN. THK,1.000 IN. W,CLAMP 6.000 IN. ID,W/HOLD DOWN LEG DRILLED 0.406 IN. ID IN |
| 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 |
|---|---|
| 610301 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 007610301 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 610301 | 5/9 Secondary reference Clark Equipment Co |
NSN 2990-01-022-3962 is a Clamp,muffler Hold Down, manufactured by Dana Off Highway Products, Llc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-022-3962 has 1 manufacturer part number on file: 610301 (Dana Off Highway Products, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-170-7512. Verify interchangeability with system specifications before substitution.
Key specifications for 610301: General Characteristics Item Description: MATL,SAE 1010 HOT ROLLED STEEL,0.0478 IN. THK,1.000 IN. W,CLAMP 6.000 IN. ID,W/HOLD DOWN LEG DRILLED 0.406 IN. ID IN; End Item Identification: TRACTOR,WHEELED,12603,MODEL 2330237. 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.