PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27A12-8Swaging Sleeve,wire Rope

Lockheed Martin Corporation Div Rotary and Mission Systems · NSN 4030-00-431-5540 · FSC 4030 · No Item Name Available
Verified by PartsTable
NSN 4030-00-431-5540 — this item is cataloged by the U.S. Government under National Stock Number 4030-00-431-5540. Primary manufacturer part number: 27A12-8.
Features
  • Swaging Sleeve,wire Rope — FSC 4030
  • Surface Treatment: ZINC
  • Material: COPPER
  • Accommodated Material Diameter: 0.250 INCHES NOMINAL IN
  • Style Designator: FIGURE 8
  • 6 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
Applications
  • Electrical power distribution
  • Signal transmission
  • Equipment interconnection
  • Applications requiring Copper construction
General Description

The Swaging Sleeve,wire Rope, cataloged under National Stock Number 4030-00-431-5540, is classified within Federal Supply Class 4030 (No Item Name Available) of the Rope, Cable, Chain, and Fittings group. The primary manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4030-00-431-5540
Primary Part Number27A12-8
Item NameSwaging Sleeve,wire Rope
FSC / FSG4030 / 40 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusCANCELLED
Surface TreatmentZINC
MaterialCOPPER
Accommodated Material Diameter0.250 INCHES NOMINAL IN
Style DesignatorFIGURE 8
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4030-00-132-916018-10F6 INTERCHANGEABLE
Swaging Sleeve,wire Rope
National Telephone Supply Co
5962-00-193-7555531540-001 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
8537493 Us Army Aviation and Missile Command (USA)
128-8VF6 National Telephone Supply Co (USA)
27A12-8 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
SL2-8P Loos & Co., Inc. Div Cableware Divison (USA)
18-10F6 National Telephone Supply Co (USA)
17001-8 Wade Antenna Inc Div Taco Antenna (CAN)
Related Parts
4030-00-132-9160INTERCHANGEABLE
SWAGING SLEEVE,WIRE ROPE
18-10F6
5962-00-193-7555INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
531540-001

Frequently Asked Questions

What is NSN 4030-00-431-5540?

NSN 4030-00-431-5540 is a Swaging Sleeve,wire Rope, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4030 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4030-00-431-5540?

NSN 4030-00-431-5540 has 6 cross-referenced part numbers: 8537493 (Us Army Aviation and Missile Command), 128-8VF6 (National Telephone Supply Co), 27A12-8 (Lockheed Martin Corporation Div Rotary and Mission Systems), SL2-8P (Loos & Co., Inc. Div Cableware Divison), 18-10F6 (National Telephone Supply Co) and 1 more.

What NSN replaces 4030-00-431-5540?

There are 2 known substitutes for 4030-00-431-5540: 4030-00-132-9160, 5962-00-193-7555. Verify interchangeability with system specifications before substitution.

What are the specifications of 27A12-8?

Key specifications for 27A12-8: Surface Treatment: ZINC; Material: COPPER; Overall Height: 0.802 INCHES MINIMUM AND 0.824 INCHES MAXIMUM IN; Overall Length: 1.125 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4030-00-431-5540 still in active supply?

NSN 4030-00-431-5540 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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