PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H271-1Latch Assembly,cowl

Hartwell Corporation · NSN 5342-00-777-7643 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-777-7643 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-777-7643. Primary manufacturer part number: H271-1.
Features
  • Latch Assembly,cowl — FSC 5342
  • General Characteristics Item Description: C/O 1 ACTUATOR,6 PINS,1 FRAME,2 SPRINGS AND 1 LINK ASSY WITH 2 MOUNTING HOLES
  • 3 verified cross-references
  • Primary manufacturer: Hartwell Corporation
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Latch Assembly,cowl, cataloged under National Stock Number 5342-00-777-7643, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is Hartwell Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-777-7643
Primary Part NumberH271-1
Item NameLatch Assembly,cowl
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerHartwell Corporation
StatusACTIVE
General Characteristics Item DescriptionC/O 1 ACTUATOR,6 PINS,1 FRAME,2 SPRINGS AND 1 LINK ASSY WITH 2 MOUNTING HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-201-0800H2711 INTERCHANGEABLE
Connector,plug,electrical
Transico, Inc. Dba Eeco Switch
5133-00-224-4028 INTERCHANGEABLE
Drill,twist
6645-00-224-8632 INTERCHANGEABLE
Clock,marine,mechanical
1660-00-622-6237AF40C-25 INTERCHANGEABLE
Valve,air,shut Off
Tactair Fluid Controls Inc
4920-00-885-723920634 INTERCHANGEABLE
Orifice
Avox Systems Inc Dba Avox Systems Inc
5120-01-240-9827 INTERCHANGEABLE
Puller Bar,2 Stage
5360-01-434-031020634 INTERCHANGEABLE
Spring,helical,compression
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20634 Langley Corp (USA)
10-30191-25 The Boeing Company Div Defense (USA)
H271-1 PRIMARY Hartwell Corporation (USA)
Related Parts
5935-00-201-0800INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
H2711
5133-00-224-4028INTERCHANGEABLE
DRILL,TWIST
6645-00-224-8632INTERCHANGEABLE
CLOCK,MARINE,MECHANICAL
1660-00-622-6237INTERCHANGEABLE
VALVE,AIR,SHUT OFF
AF40C-25
4920-00-885-7239INTERCHANGEABLE
ORIFICE
20634
5120-01-240-9827INTERCHANGEABLE
PULLER BAR,2 STAGE
5360-01-434-0310INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20634

Frequently Asked Questions

What is NSN 5342-00-777-7643?

NSN 5342-00-777-7643 is a Latch Assembly,cowl, manufactured by Hartwell Corporation, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-777-7643?

NSN 5342-00-777-7643 has 3 cross-referenced part numbers: 20634 (Langley Corp), 10-30191-25 (The Boeing Company Div Defense), H271-1 (Hartwell Corporation).

What NSN replaces 5342-00-777-7643?

There are 7 known substitutes for 5342-00-777-7643: 5935-00-201-0800, 5133-00-224-4028, 6645-00-224-8632 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H271-1?

Key specifications for H271-1: General Characteristics Item Description: C/O 1 ACTUATOR,6 PINS,1 FRAME,2 SPRINGS AND 1 LINK ASSY WITH 2 MOUNTING HOLES. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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