The Pin,piston, cataloged under National Stock Number 4310-00-460-3771, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 11 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. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-460-3771 |
| Primary Part Number | 17-279 |
| Item Name | Pin,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| FSC Application Data | AIR COMPRESSOR |
| Body Style | PLAIN ENDS W/RADIAL SLOT |
| Distance From End to Slot Center | 2.813 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Groove Depth | 0.1250 INCHES NOMINAL IN |
| Outside Diameter | 1.49960 INCHES MINIMUM AND 1.49980 INCHES MAXIMUM IN |
| Radial Groove Radius | 0.266 INCHES NOMINAL IN |
| Body Length | 5.6250 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Material | STEEL COMP 1020 |
| Metallic Hardness Rating | 60.0 MINIMUM ROCKWELL C AND 63.0 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 |
|---|---|
| 17-279 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 4310-00-460-3771 is a Pin,piston, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-460-3771 has 1 manufacturer part number on file: 17-279 (Dresser Industries Inc Leroi Div).
5 possible matches (shared part number, not a government interchangeability claim): 3030-01-023-2383, 5330-01-302-9894, 3010-01-441-8069. Verify interchangeability with system specifications before substitution.
Key specifications for 17-279: FSC Application Data: AIR COMPRESSOR; Body Style: PLAIN ENDS W/RADIAL SLOT; Distance From End to Slot Center: 2.813 INCHES NOMINAL IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE. 11 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.