PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

242-6Inserter,screw Thread Insert

Stanley Engineered Fastening Llc · NSN 5120-00-831-2255 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-831-2255 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-831-2255. Primary manufacturer part number: 242-6.
Features
  • Inserter,screw Thread Insert — FSC 5120
  • Thread Size and Series/type Designator: 3/8-24 UNF
  • Unit Type: MANDREL
  • 3 verified cross-references
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Inserter,screw Thread Insert, cataloged under National Stock Number 5120-00-831-2255, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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
NSN5120-00-831-2255
Primary Part Number242-6
Item NameInserter,screw Thread Insert
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Thread Size and Series/type Designator3/8-24 UNF
Unit TypeMANDREL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-127-94942426 INTERCHANGEABLE
Washer,leather
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5330-00-197-4143389917PC56 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
6515-00-201-2413 INTERCHANGEABLE
Mount,electrocardiogram
5325-00-202-1487 INTERCHANGEABLE
Grommet,nonmetallic
9390-00-290-6775 INTERCHANGEABLE
Nonmetallic Channel
5315-00-311-18402466 INTERCHANGEABLE
Pin,shoulder,headless
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2825-00-388-11802426 INTERCHANGEABLE
Liner Assembly
Northrop Grumman Systems Corporation Div Marine Systems
4720-00-406-33092807-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
5930-00-463-44612466 INTERCHANGEABLE
Switch,pressure
Chrysler Realty Company Llc Dba Daimler Chrysler
5945-00-552-40213357-3 INTERCHANGEABLE
Relay,electromagnetic
Philadelphia Valve Co
Cross-Reference Index
Part NumberManufacturer
246-6 Stanley Engineered Fastening Llc (USA)
T6-24-9 Stanley Engineered Fastening Llc (USA)
242-6 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
5310-00-127-9494INTERCHANGEABLE
WASHER,LEATHER
2426
5330-00-197-4143INTERCHANGEABLE
GASKET
389917PC56
6515-00-201-2413INTERCHANGEABLE
MOUNT,ELECTROCARDIOGRAM
5325-00-202-1487INTERCHANGEABLE
GROMMET,NONMETALLIC
9390-00-290-6775INTERCHANGEABLE
NONMETALLIC CHANNEL
5315-00-311-1840INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
2466
2825-00-388-1180INTERCHANGEABLE
LINER ASSEMBLY
2426
4720-00-406-3309INTERCHANGEABLE
HOSE,NONMETALLIC
2807-6
5930-00-463-4461INTERCHANGEABLE
SWITCH,PRESSURE
2466
5945-00-552-4021INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
3357-3
5310-00-596-9409INTERCHANGEABLE
WASHER,FLAT
24-00012-057
5815-00-602-7106INTERCHANGEABLE
PULLEY ASSEMBLY
2466

Frequently Asked Questions

What is NSN 5120-00-831-2255?

NSN 5120-00-831-2255 is a Inserter,screw Thread Insert, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-831-2255?

NSN 5120-00-831-2255 has 3 cross-referenced part numbers: 246-6 (Stanley Engineered Fastening Llc), T6-24-9 (Stanley Engineered Fastening Llc), 242-6 (Stanley Engineered Fastening Llc).

What NSN replaces 5120-00-831-2255?

There are 12 known substitutes for 5120-00-831-2255: 5310-00-127-9494, 5330-00-197-4143, 6515-00-201-2413 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 242-6?

Key specifications for 242-6: Thread Size and Series/type Designator: 3/8-24 UNF; Unit Type: MANDREL. 2 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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