NSN 4820-01-042-2505 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-042-2505. Manufacturer of record part number: 753662-1.
Also searched as4820-01-042-2505 ·
4820010422505 ·
NIIN 010422505 ·
01-042-2505 ·
FSC 4820 Valves, Nonpowered · CAGE 73030 · 753662-1
General Characteristics Item Description: AMS4117,HARDEN TO RB 45 MIN,HEAT TREAT PER HS454,SURFACE COATING HS 334 TYPE 1; 1.312 IN. MIN 1.318 IN. MAX OUTSIDE DIA IN
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
NSN: 4820-01-042-2505
NIIN: 010422505
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 753662-1
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Guide,piston, cataloged under National Stock Number 4820-01-042-2505, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-042-2505
Primary Part Number
753662-1
Item Name
Guide,piston
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Status
ACTIVE
General Characteristics Item Description
AMS4117,HARDEN TO RB 45 MIN,HEAT TREAT PER HS454,SURFACE COATING HS 334 TYPE 1; 1.312 IN. MIN 1.318 IN. MAX OUTSIDE DIA IN
Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-042-2505?
NSN 4820-01-042-2505 is a Guide,piston, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-042-2505?
NSN 4820-01-042-2505 has 1 manufacturer part number on file: 753662-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 753662-1?
Key specifications for 753662-1: General Characteristics Item Description: AMS4117,HARDEN TO RB 45 MIN,HEAT TREAT PER HS454,SURFACE COATING HS 334 TYPE 1; 1.312 IN. MIN 1.318 IN. MAX OUTSIDE DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-042-2505 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.