PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1661-D PC38Socket,wrench,face Spanner

Lawler Manufacturing Company, Inc. · NSN 5120-00-133-3094 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-133-3094 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-133-3094. Primary manufacturer part number: 1661-D PC38.
Features
  • Socket,wrench,face Spanner — FSC 5120
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,wrench,face Spanner, cataloged under National Stock Number 5120-00-133-3094, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-133-3094
Primary Part Number1661-D PC38
Item NameSocket,wrench,face Spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
Outside Diameter1.750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4935-00-481-2885710142-1 INTERCHANGEABLE
Controller,test,guided Missile S
Contraves Inc
5961-00-844-8615 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1661-D PC38 PRIMARY Lawler Manufacturing Company, Inc. (USA)
404D Lawler Manufacturing Company, Inc. (USA)
Related Parts
4935-00-481-2885INTERCHANGEABLE
CONTROLLER,TEST,GUIDED MISSILE S
710142-1
5961-00-844-8615INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5120-00-133-3094?

NSN 5120-00-133-3094 is a Socket,wrench,face Spanner, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-133-3094?

NSN 5120-00-133-3094 has 2 cross-referenced part numbers: 1661-D PC38 (Lawler Manufacturing Company, Inc.), 404D (Lawler Manufacturing Company, Inc.).

What NSN replaces 5120-00-133-3094?

There are 2 known substitutes for 5120-00-133-3094: 4935-00-481-2885, 5961-00-844-8615. Verify interchangeability with system specifications before substitution.

What are the specifications of 1661-D PC38?

Key specifications for 1661-D PC38: Outside Diameter: 1.750 INCHES NOMINAL IN; Material: STEEL OVERALL; Overall Length: 3.375 INCHES NOMINAL IN. 3 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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