The Shock Absorber,direct Action, cataloged under National Stock Number 2510-00-491-3456, is classified within Federal Supply Class 2510 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Tenneco Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2510-00-491-3456 |
| Primary Part Number | 12551 |
| Item Name | Shock Absorber,direct Action |
| FSC / FSG | 2510 / 25 — No Item Name Available |
| Manufacturer | Tenneco Inc |
| Status | ACTIVE |
| Nominal Extended Length | 10.250 INCHES IN |
| Piston End Connection Style | RING |
| Piston End Nominal Thickness | 1.375 INCHES IN |
| Piston End Nominal Inside Diameter | 0.625 INCHES IN |
| Cylinder End Connection Style | RING |
| Cylinder End Nominal Thickness | 1.375 INCHES IN |
| Cylinder End Nominal Inside Diameter | 0.625 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12551 PRIMARY | Tenneco Inc (USA) |
| 02261-0047-01 PRIMARY | Asrc Federal Facilities Logistics, Llc (USA) |
| 02261-0047-01 | Harsco Corp Bmy-Combat Systems Div (USA) |
| 65A81C47-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 2510-00-491-3456 is a Shock Absorber,direct Action, manufactured by Tenneco Inc, classified under FSC 2510 (No Item Name Available). Status: active.
NSN 2510-00-491-3456 has 4 cross-referenced part numbers: 12551 (Tenneco Inc), 02261-0047-01 (Asrc Federal Facilities Logistics, Llc), 02261-0047-01 (Harsco Corp Bmy-Combat Systems Div), 65A81C47-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
There are 11 known substitutes for 2510-00-491-3456: 5905-00-119-1462, 5310-00-515-7391, 5930-00-642-9534 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12551: Nominal Extended Length: 10.250 INCHES IN; Piston End Connection Style: RING; Piston End Nominal Thickness: 1.375 INCHES IN; Piston End Nominal Inside Diameter: 0.625 INCHES IN. 7 total characteristics are documented in the Federal Logistics Information System.