PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1258-1Insulation Sleeving,electrical

Systems Protection Group Us Llc · NSN 5970-00-840-2771 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-840-2771 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-840-2771. Primary manufacturer part number: 1258-1.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • Dielectric Withstanding Voltage in Volts: 10000.0
  • Color: WHITE
  • Flexibility: FLEXIBLE
  • Style Designator: NONSHRINKABLE
  • Material: RUBBER SILICONE CLASS Q
  • Inside Diameter: 0.337 INCHES NOMINAL IN
  • Reliability Indicator: NOT ESTABLISHED
Applications
  • Applications requiring Rubber Silicone Class Q construction
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-840-2771, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Systems Protection Group Us Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-840-2771
Primary Part Number1258-1
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerSystems Protection Group Us Llc
StatusACTIVE
Dielectric Withstanding Voltage in Volts10000.0
ColorWHITE
FlexibilityFLEXIBLE
Style DesignatorNONSHRINKABLE
MaterialRUBBER SILICONE CLASS Q
Inside Diameter0.337 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Wall Thickness0.035 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1560-00-122-922512581 INTERCHANGEABLE
Fitting,spar Jury S
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
6515-00-137-63456345 INTERCHANGEABLE
Plug,ear
Access: Supports for Living Inc. Dba Access Supports for Living Inc
5133-00-227-5988 INTERCHANGEABLE
Drill,twist
6615-00-508-302015713-1A1 INTERCHANGEABLE
Controller,flight,automatic Pilo
Honeywell Intl Inc Defense Avionics Systems
6220-00-758-818312581 INTERCHANGEABLE
Base Reflector,light
Grimes Aerospace Company
5330-01-013-757812581 INTERCHANGEABLE
Seal,plain Encased
Dana Commercial Vehicle Products, Llc
3455-01-330-075012581 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
1377-01-346-22151258-1 INTERCHANGEABLE
Initiator,cartridge Actuated
Rockwell Collins Inc
4330-01-369-866312581 INTERCHANGEABLE
Filter Element,fluid
Gelman Sciences Inc
1005-01-645-342412581 INTERCHANGEABLE
Carrier,bolt
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
9157782 Us Army Aviation and Missile Command (USA)
9158023 Us Army Aviation and Missile Command (USA)
144A8575P1 Bae Systems Controls Inc. (USA)
1258-1 PRIMARY Systems Protection Group Us Llc (USA)
Related Parts
1560-00-122-9225INTERCHANGEABLE
FITTING,SPAR JURY S
12581
6515-00-137-6345INTERCHANGEABLE
PLUG,EAR
6345
5133-00-227-5988INTERCHANGEABLE
DRILL,TWIST
6615-00-508-3020INTERCHANGEABLE
CONTROLLER,FLIGHT,AUTOMATIC PILO
15713-1A1
6220-00-758-8183INTERCHANGEABLE
BASE REFLECTOR,LIGHT
12581
5330-01-013-7578INTERCHANGEABLE
SEAL,PLAIN ENCASED
12581
3455-01-330-0750INTERCHANGEABLE
CUTTER,MILLING,ANGLE
12581
1377-01-346-2215INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
1258-1
4330-01-369-8663INTERCHANGEABLE
FILTER ELEMENT,FLUID
12581
1005-01-645-3424INTERCHANGEABLE
CARRIER,BOLT
12581

Frequently Asked Questions

What is NSN 5970-00-840-2771?

NSN 5970-00-840-2771 is a Insulation Sleeving,electrical, manufactured by Systems Protection Group Us Llc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-840-2771?

NSN 5970-00-840-2771 has 4 cross-referenced part numbers: 9157782 (Us Army Aviation and Missile Command), 9158023 (Us Army Aviation and Missile Command), 144A8575P1 (Bae Systems Controls Inc.), 1258-1 (Systems Protection Group Us Llc).

What NSN replaces 5970-00-840-2771?

There are 10 known substitutes for 5970-00-840-2771: 1560-00-122-9225, 6515-00-137-6345, 5133-00-227-5988 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1258-1?

Key specifications for 1258-1: Dielectric Withstanding Voltage in Volts: 10000.0; Color: WHITE; Flexibility: FLEXIBLE; Style Designator: NONSHRINKABLE. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com