PartsTable TECHNICAL DATA SHEET
NSN 4820-01-160-7162Government record, cited

Seat, Valve4820-01-160-7162

NSN 4820-01-160-7162 · NIIN 011607162 · Part number 534737
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77445
Government record, cited
NSN 4820-01-160-7162 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-160-7162. Manufacturer of record part number: 534737.
Also searched as  4820-01-160-7162 · 4820011607162 · NIIN 011607162 · 01-160-7162 · FSC 4820 Valves, Nonpowered · CAGE 77445 · 534737
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 3.148 INCHES NOMINAL IN
  • Flange Diameter: 2.209 INCHES NOMINAL IN
  • Body Outside Diameter: 2.046 INCHES NOMINAL IN
  • Seal Accommodation Type: GROOVED
  • Hardness Rating: 55.5 ROCKWELL C NOMINAL OVERALL
  • Style Designator: PLAIN FLANGED
  • Material Document and Classification: AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Identification
  • NSN: 4820-01-160-7162
  • NIIN: 011607162
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 534737
  • Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-160-7162, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-160-7162
Primary Part Number534737
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Flange Seat to Disk End Height3.148 INCHES NOMINAL IN
Flange Diameter2.209 INCHES NOMINAL IN
Body Outside Diameter2.046 INCHES NOMINAL IN
Seal Accommodation TypeGROOVED
Hardness Rating55.5 ROCKWELL C NOMINAL OVERALL
Style DesignatorPLAIN FLANGED
Material Document and ClassificationAMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter1.8793 INCHES MINIMUM AND 1.8798 INCHES MAXIMUM IN
Under Flange Height2.790 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
534737 Rtx Corporation Div Pratt & Whitney (USA)
534737 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (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 4820-01-160-7162?

NSN 4820-01-160-7162 is a Seat,valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-160-7162?

NSN 4820-01-160-7162 has 2 manufacturer part numbers on file: 534737 (Rtx Corporation Div Pratt & Whitney), 534737 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What are the specifications of 534737?

Key specifications for 534737: Flange Seat to Disk End Height: 3.148 INCHES NOMINAL IN; Flange Diameter: 2.209 INCHES NOMINAL IN; Body Outside Diameter: 2.046 INCHES NOMINAL IN; Seal Accommodation Type: GROOVED. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-160-7162 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.
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