The Lock,linkpin Lower, cataloged under National Stock Number 2810-00-210-5616, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2810-00-210-5616 |
| Primary Part Number | 166131 |
| Item Name | Lock,linkpin Lower |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS 6355 OR 6280,ROCKWELL C35-40 OR EQUIV;DIM. O/A 1.329 IN. MIN,1.339 IN. MAX LG,0.967 IN. PORM 0.010 H THRU CENTER;2 HOLES,1 0.328 IN. PORM 0.005 DIA THRU,1 0.062 IN. PORM 0.005 DIA THRU STEM;SILVER PLATE AMS 2410 OR 2412 0.0002 IN. PORM 0.0001 THK ON BEVELED SIDE IN |
| Precious Material | SILVER |
| 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 |
|---|---|
| 166131 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS166131 | 5/9 Secondary reference Aircraft Supplies |
| 166131 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 2810-00-210-5616 is a Lock,linkpin Lower, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-210-5616 has 1 manufacturer part number on file: 166131 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5977-00-982-4690. Verify interchangeability with system specifications before substitution.
Key specifications for 166131: General Characteristics Item Description: STEEL,AMS 6355 OR 6280,ROCKWELL C35-40 OR EQUIV;DIM. O/A 1.329 IN. MIN,1.339 IN. MAX LG,0.967 IN. PORM 0.010 H THRU CENTER;2 HOLES,1 0.328 IN. PORM 0.005 DIA THRU,1 0.062 IN. PORM 0.005 DIA THRU STEM;SILVER PLATE AMS 2410 OR 2412 0.0002 IN. PORM 0.0001 THK ON BEVELED SIDE IN; Precious Material: SILVER; End Item Identification: ACFT ENG R1820. 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.