PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-1-1-0Fastener,pawl

Southco Inc · NSN 5340-00-956-4834 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-956-4834 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-956-4834. Primary manufacturer part number: 66-1-1-0.
Features
  • Fastener,pawl — FSC 5340
  • Mounting Plate to Pawl Distance: 0.1670 INCHES NOMINAL IN
  • Height: 1.7500 INCHES NOMINAL IN
  • Diameter: 0.5625 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Length: 1.2656 INCHES NOMINAL IN
  • Knob Length: 0.8955 INCHES NOMINAL IN
  • Surface Treatment: CHROMATE OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Fastener,pawl, cataloged under National Stock Number 5340-00-956-4834, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-956-4834
Primary Part Number66-1-1-0
Item NameFastener,pawl
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Mounting Plate to Pawl Distance0.1670 INCHES NOMINAL IN
Height1.7500 INCHES NOMINAL IN
Diameter0.5625 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Length1.2656 INCHES NOMINAL IN
Knob Length0.8955 INCHES NOMINAL IN
Surface TreatmentCHROMATE OVERALL
Width0.8750 INCHES NOMINAL IN
Operational DirectionRIGHT-HAND
Mounting Hole Diameter0.1930 INCHES NOMINAL IN
Pawl Actuation MethodGRIP HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
5120-00-293-3309 INTERCHANGEABLE
Screwdriver,flat Tip
5920-00-811-0284N0S110 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5961-01-214-0846STI5024 INTERCHANGEABLE
Transistor
Semiconductor Technology, Inc. Dba Semiconductor Technology Inc
5331-01-308-1204C-WK-621-8 ITEM 14 INTERCHANGEABLE
O-Ring
Walz & Krenzer Inc Div Mapeco Products
Cross-Reference Index
Part NumberManufacturer
10596911-1 Us Army Aviation and Missile Command (USA)
66-1-1-0 PRIMARY Southco Inc (USA)
Related Parts
5120-00-293-3309INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5920-00-811-0284INTERCHANGEABLE
FUSE,CARTRIDGE
N0S110
5961-01-214-0846INTERCHANGEABLE
TRANSISTOR
STI5024
5331-01-308-1204INTERCHANGEABLE
O-RING
C-WK-621-8 ITEM 14

Frequently Asked Questions

What is NSN 5340-00-956-4834?

NSN 5340-00-956-4834 is a Fastener,pawl, manufactured by Southco Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-956-4834?

NSN 5340-00-956-4834 has 2 cross-referenced part numbers: 10596911-1 (Us Army Aviation and Missile Command), 66-1-1-0 (Southco Inc).

What NSN replaces 5340-00-956-4834?

There are 4 known substitutes for 5340-00-956-4834: 5120-00-293-3309, 5920-00-811-0284, 5961-01-214-0846 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66-1-1-0?

Key specifications for 66-1-1-0: Mounting Plate to Pawl Distance: 0.1670 INCHES NOMINAL IN; Height: 1.7500 INCHES NOMINAL IN; Diameter: 0.5625 INCHES NOMINAL IN; Material: STEEL OVERALL. 11 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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