The Pin,piston, cataloged under National Stock Number 4310-00-993-0095, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Meggitt Troy Inc. Government technical data includes 10 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 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 | 4310-00-993-0095 |
| Primary Part Number | 3800148 |
| Item Name | Pin,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Meggitt Troy Inc |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| FSC Application Data | AIR COMPRESSOR |
| Body Style | PLAIN ENDS |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Outside Diameter | 0.37510 INCHES MINIMUM AND 0.37530 INCHES MAXIMUM IN |
| Body Length | 2.1090 INCHES MINIMUM AND 2.1120 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL |
| Metallic Hardness Rating | 60.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C |
| 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 |
|---|---|
| 3800148 PRIMARY | Meggitt Troy Inc (USA) |
NSN 4310-00-993-0095 is a Pin,piston, manufactured by Meggitt Troy Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-993-0095 has 1 manufacturer part number on file: 3800148 (Meggitt Troy Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-343-0052. Verify interchangeability with system specifications before substitution.
Key specifications for 3800148: Countersink Angle in Deg: 45.0; FSC Application Data: AIR COMPRESSOR; Body Style: PLAIN ENDS; Bore Style: INSIDE CHAMFER STRAIGHT-THRU BORE. 10 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.