PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4055Shield,expansion

Star Expansion Co · NSN 5340-00-996-0405 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-996-0405 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-996-0405. Primary manufacturer part number: 4055.
Features
  • Shield,expansion — FSC 5340
  • Thread Provision: UNTHREADED
  • Insert Size: 3/4(0.750)IN.-10 THD
  • Features Provided: CLOSED END AND INSTALLATION SETTING TOOL
  • Insert Type for Which Designed: MACHINE SCREW
  • Hole Accommodation Diameter: 1.250 INCHES NOMINAL IN
  • Safe Operating Load Rating: 1000.0 POUNDS NOMINAL LBS
  • Unit Quantity: 2
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Shield,expansion, cataloged under National Stock Number 5340-00-996-0405, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Star Expansion Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-996-0405
Primary Part Number4055
Item NameShield,expansion
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerStar Expansion Co
StatusACTIVE
Thread ProvisionUNTHREADED
Insert Size3/4(0.750)IN.-10 THD
Features ProvidedCLOSED END AND INSTALLATION SETTING TOOL
Insert Type for Which DesignedMACHINE SCREW
Hole Accommodation Diameter1.250 INCHES NOMINAL IN
Safe Operating Load Rating1000.0 POUNDS NOMINAL LBS
Unit Quantity2
Style DesignatorSINGLE EXPANSION MACHINE SCREW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
Light Bulb,laryngoscope
6515-01-417-96444005 ST SUCCESSOR
Transfer Set,intravenous Solutio
International Medication Systems, Ltd. Dba Ims
2590-00-236-951244055 INTERCHANGEABLE
Cap,filler Opening
Center - Moeller Products Llc
5342-00-482-15781090143 INTERCHANGEABLE
Latch,safety
The Crosby Group Llc Dba the Crosby Group
4820-00-557-7333 INTERCHANGEABLE
Valve,check
5960-00-688-7510Y2211 INTERCHANGEABLE
Electron Tube
Mpd Components, Inc.
2805-00-756-8813L100NF INTERCHANGEABLE
Piston,internal Combustion Engin
Trw Inc Trw Steering and Suspension Div
6210-00-782-1742 INTERCHANGEABLE
Lens,light
5330-00-807-2264040157 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
3439-01-021-574780-5-5 INTERCHANGEABLE
Desoldering Wick
Illinois Tool Works Inc. Div Itw Chemtronics
Cross-Reference Index
Part NumberManufacturer
4055 PRIMARY Star Expansion Co (USA)
Related Parts
6515-01-362-0632SUCCESSOR
LIGHT BULB,LARYNGOSCOPE
6515-01-417-9644SUCCESSOR
TRANSFER SET,INTRAVENOUS SOLUTIO
4005 ST
2590-00-236-9512INTERCHANGEABLE
CAP,FILLER OPENING
44055
5342-00-482-1578INTERCHANGEABLE
LATCH,SAFETY
1090143
4820-00-557-7333INTERCHANGEABLE
VALVE,CHECK
5960-00-688-7510INTERCHANGEABLE
ELECTRON TUBE
Y2211
2805-00-756-8813INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
L100NF
6210-00-782-1742INTERCHANGEABLE
LENS,LIGHT
5330-00-807-2264INTERCHANGEABLE
GASKET
040157
3439-01-021-5747INTERCHANGEABLE
DESOLDERING WICK
80-5-5
6640-01-101-2989INTERCHANGEABLE
PIPET,SEROLOGICAL
3510-01-195-2111INTERCHANGEABLE
CLAMP,DRIVE ROLL
4014-703

Frequently Asked Questions

What is NSN 5340-00-996-0405?

NSN 5340-00-996-0405 is a Shield,expansion, manufactured by Star Expansion Co, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-996-0405?

NSN 5340-00-996-0405 has 1 cross-referenced part number: 4055 (Star Expansion Co).

What NSN replaces 5340-00-996-0405?

There are 12 known substitutes for 5340-00-996-0405: 6515-01-362-0632, 6515-01-417-9644, 2590-00-236-9512 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4055?

Key specifications for 4055: Thread Provision: UNTHREADED; Insert Size: 3/4(0.750)IN.-10 THD; Features Provided: CLOSED END AND INSTALLATION SETTING TOOL; Insert Type for Which Designed: MACHINE SCREW. 9 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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