The Test Stand,spring Rate Test Fixt, cataloged under National Stock Number 4920-01-121-3617, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ametek Inc.. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-01-121-3617 |
| Primary Part Number | HTC |
| Item Name | Test Stand,spring Rate Test Fixt |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Ametek Inc. |
| Status | ACTIVE |
| FSC Application Data | STAND,TEST |
| General Characteristics Item Description | 10.0 IN. LG,19.0 IN. H,5.0 IN. W; C/O SELF-LOCKING ELEVATING SCREW DRIVE 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 |
|---|---|
| HTC PRIMARY | Ametek Inc. (USA) |
| Reference | Meaning |
|---|---|
| A50031 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4920-01-121-3617 is a Test Stand,spring Rate Test Fixt, manufactured by Ametek Inc., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-121-3617 has 1 manufacturer part number on file: HTC (Ametek Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-662-3745. Verify interchangeability with system specifications before substitution.
Key specifications for HTC: FSC Application Data: STAND,TEST; General Characteristics Item Description: 10.0 IN. LG,19.0 IN. H,5.0 IN. W; C/O SELF-LOCKING ELEVATING SCREW DRIVE IN; End Item Identification: F-15 AGE.. 2 specifications are 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.