Maintenance Kit, Aircraft4920-01-551-9538

NSN 4920-01-551-9538 · NIIN 015519538 · Part number B43019-1

Mission Systems Orchard Park Inc · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 04577

Government record, cited

NSN 4920-01-551-9538 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-551-9538. Manufacturer of record part number: B43019-1.

Also searched as 4920-01-551-9538 · 4920015519538 · NIIN 015519538 · 01-551-9538 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 04577 · B43019-1

Nearby stock numbers ← 4920-01-551-9321 Adapter Assembly, Interface Devic · 4920-01-551-9619 Fixture, Engine Maintenance, Aircr →

Features

Maintenance Kit,aircraft — FSC 4920
Nonsupply Items and Quantities: 04577 B42008-1 FILTER, CONT SNTR BRZ 100 1; 04577 B42593-1 OUTLET FILTER ASSY 1; 04577 B42862-1 BURST DISC ASSY 1; 04577 B42065-1 LOCK TAB WASH 1; 04577 B43404-005 0-RING 1; 04577 B43404-012 0-RING 1; 04577 B43404-908 O-RING 1; MS15795-806 WASHER,FLAT 1; AS8791/1-006 RING, BACK-UP 1; 04577 1002-0030-012 RING BACKUP 1; 04577 1005-0009-066 SCREW,CAP 2; 04577 SSP-094-875 PIN,SPRING TUBULAR 2; 04577 1005-0047-003 SCREW, MACH-PNH 1; 04577 B43860-009 O-RING 1; 04577 B46484-1 SCREW, SOCKET 1; 04577 1005-0004H013C SET SCREW 1
1 manufacturer part number on file
Manufacturer of record: Mission Systems Orchard Park Inc

Identification

NSN: 4920-01-551-9538
NIIN: 015519538
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: B43019-1
Manufacturer: Mission Systems Orchard Park Inc

General Description

The Maintenance Kit,aircraft, cataloged under National Stock Number 4920-01-551-9538, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mission Systems Orchard Park Inc. 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	4920-01-551-9538
Primary Part Number	B43019-1
Item Name	Maintenance Kit,aircraft
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Manufacturer	Mission Systems Orchard Park Inc
Status	ACTIVE
Nonsupply Items and Quantities	04577 B42008-1 FILTER, CONT SNTR BRZ 100 1; 04577 B42593-1 OUTLET FILTER ASSY 1; 04577 B42862-1 BURST DISC ASSY 1; 04577 B42065-1 LOCK TAB WASH 1; 04577 B43404-005 0-RING 1; 04577 B43404-012 0-RING 1; 04577 B43404-908 O-RING 1; MS15795-806 WASHER,FLAT 1; AS8791/1-006 RING, BACK-UP 1; 04577 1002-0030-012 RING BACKUP 1; 04577 1005-0009-066 SCREW,CAP 2; 04577 SSP-094-875 PIN,SPRING TUBULAR 2; 04577 1005-0047-003 SCREW, MACH-PNH 1; 04577 B43860-009 O-RING 1; 04577 B46484-1 SCREW, SOCKET 1; 04577 1005-0004H013C SET SCREW 1

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
B43019-1 PRIMARY	Mission Systems Orchard Park Inc (USA)

No interchangeability data on file.

Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4920-00-000-0190

TEST SET,FLIGHT CONTROL SYSTEM

4920-00-001-1405

4920-00-001-1405 · Item name not on file

4920-00-001-1716

4920-00-001-1716 · Item name not on file

4920-00-001-1744

4920-00-001-1744 · Item name not on file

4920-00-001-1745

4920-00-001-1745 · Item name not on file

4920-00-001-1746

4920-00-001-1746 · Item name not on file

4920-00-001-1747

4920-00-001-1747 · Item name not on file

4920-00-001-1748

4920-00-001-1748 · Item name not on file

Frequently Asked Questions

What is NSN 4920-01-551-9538?

NSN 4920-01-551-9538 is a Maintenance Kit,aircraft, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-551-9538?

NSN 4920-01-551-9538 has 1 manufacturer part number on file: B43019-1 (Mission Systems Orchard Park Inc).

What are the specifications of B43019-1?

Key specifications for B43019-1: Nonsupply Items and Quantities: 04577 B42008-1 FILTER, CONT SNTR BRZ 100 1; 04577 B42593-1 OUTLET FILTER ASSY 1; 04577 B42862-1 BURST DISC ASSY 1; 04577 B42065-1 LOCK TAB WASH 1; 04577 B43404-005 0-RING 1; 04577 B43404-012 0-RING 1; 04577 B43404-908 O-RING 1; MS15795-806 WASHER,FLAT 1; AS8791/1-006 RING, BACK-UP 1; 04577 1002-0030-012 RING BACKUP 1; 04577 1005-0009-066 SCREW,CAP 2; 04577 SSP-094-875 PIN,SPRING TUBULAR 2; 04577 1005-0047-003 SCREW, MACH-PNH 1; 04577 B43860-009 O-RING 1; 04577 B46484-1 SCREW, SOCKET 1; 04577 1005-0004H013C SET SCREW 1; End Item Identification: B42365-1HIGH PRESSURE OXYGEN MANIFOLD. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-01-551-9538 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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