PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5403-3Insert,screw Thread

Stanley Engineered Fastening Llc · NSN 5325-01-667-6503 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-667-6503 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-667-6503. Primary manufacturer part number: 5403-3.
Features
  • Insert,screw Thread — FSC 5325
  • 1 verified cross-reference
  • Primary manufacturer: Stanley Engineered Fastening Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Insert,screw Thread, cataloged under National Stock Number 5325-01-667-6503, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanley Engineered Fastening Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-667-6503
Primary Part Number5403-3
Item NameInsert,screw Thread
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerStanley Engineered Fastening Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5815-00-547-7875SM-B-186901GP1 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7510-01-390-0727SIZE 13 INTERCHANGEABLE
Finger Pad,rubber
Kendik Rubber and Plastic Products Company Inc
4520-01-497-344954033 INTERCHANGEABLE
Heating Element,electrical,immer
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5325-01-647-89615403-3 INTERCHANGEABLE
Insert,screw Thread
S W Anderson Co
Cross-Reference Index
Part NumberManufacturer
5403-3 PRIMARY Stanley Engineered Fastening Llc (USA)
Related Parts
5815-00-547-7875INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-186901GP1
7510-01-390-0727INTERCHANGEABLE
FINGER PAD,RUBBER
SIZE 13
4520-01-497-3449INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
54033
5325-01-647-8961INTERCHANGEABLE
INSERT,SCREW THREAD
5403-3

Frequently Asked Questions

What is NSN 5325-01-667-6503?

NSN 5325-01-667-6503 is a Insert,screw Thread, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-667-6503?

NSN 5325-01-667-6503 has 1 cross-referenced part number: 5403-3 (Stanley Engineered Fastening Llc).

What NSN replaces 5325-01-667-6503?

There are 4 known substitutes for 5325-01-667-6503: 5815-00-547-7875, 7510-01-390-0727, 4520-01-497-3449 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5403-3?

Key specifications for 5403-3: Special Features: THREAD SIZE METRIC COARSE M3 X 0.5, INSERTS PER KIT 36, KIT REPRESENTS 3 LENGTHS OF INSERTS, KIT INCLUDES PROPER SIZE DRILL, HIGH SPEED STEEL HELI-COIL TAP, INSTALLATION TOOL, TANG REMOVAL TOOL; Part Name Assigned by Controlling Agency: THREAD REPAIR KIT. 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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