Seat, Valve4820-01-229-7586

NSN 4820-01-229-7586 · NIIN 012297586 · Part number 751776-1-2

Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 73030

Government record, cited

NSN 4820-01-229-7586 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-229-7586. Manufacturer of record part number: 751776-1-2.

Also searched as 4820-01-229-7586 · 4820012297586 · NIIN 012297586 · 01-229-7586 · FSC 4820 Valves, Nonpowered · CAGE 73030 · 751776-1-2

Nearby stock numbers ← 4820-01-229-7553 Valve, Safety Relief · 4820-01-229-8699 →

4820-01-229-7586 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.120 INCHES NOMINAL IN
FSC Application Data: VALVE 1660011437832
Body Outside Diameter: 1.080 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
Body Stepped Inside Diameter: 0.424 INCHES MINIMUM AND 0.426 INCHES MAXIMUM FIRST STEP IN
Body Stepped Inside Diameter: 0.522 INCHES MINIMUM AND 0.527 INCHES MAXIMUM SECOND STEP IN
Body Stepped Inside Diameter: 0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM THIRD STEP IN
Style Designator: PLAIN FLANGED

Identification

NSN: 4820-01-229-7586
NIIN: 012297586
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 751776-1-2
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-229-7586, 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 8 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-229-7586
Primary Part Number	751776-1-2
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hamilton Sundstrand Corporation Dba Collins Aerospace
Status	ACTIVE
Flange Seat to Disk End Height	0.120 INCHES NOMINAL IN
FSC Application Data	VALVE 1660011437832
Body Outside Diameter	1.080 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN
Body Stepped Inside Diameter	0.424 INCHES MINIMUM AND 0.426 INCHES MAXIMUM FIRST STEP IN
Body Stepped Inside Diameter	0.522 INCHES MINIMUM AND 0.527 INCHES MAXIMUM SECOND STEP IN
Body Stepped Inside Diameter	0.684 INCHES MINIMUM AND 0.685 INCHES MAXIMUM THIRD STEP IN
Style Designator	PLAIN FLANGED
Under Flange Height	1.480 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
751776-1-2 PRIMARY	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 4820-01-229-7586?

NSN 4820-01-229-7586 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-229-7586?

NSN 4820-01-229-7586 has 1 manufacturer part number on file: 751776-1-2 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 751776-1-2?

Key specifications for 751776-1-2: Flange Seat to Disk End Height: 0.120 INCHES NOMINAL IN; FSC Application Data: VALVE 1660011437832; Body Outside Diameter: 1.080 INCHES MINIMUM AND 1.081 INCHES MAXIMUM IN; Body Stepped Inside Diameter: 0.424 INCHES MINIMUM AND 0.426 INCHES MAXIMUM FIRST STEP IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-229-7586 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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