PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L-P-509Insulation Sheet,electrical

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5970-00-826-3977 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-826-3977 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-826-3977. Primary manufacturer part number: L-P-509.
Features
  • Insulation Sheet,electrical — FSC 5970
  • Material: PLASTIC PHENOLIC
  • Nondefinitive Spec/std Data: PBE-P TYPE
  • Length: 3.000 FEET MINIMUM AND 8.000 FEET MAXIMUM FT
  • Width: 36.000 INCHES MINIMUM AND 50.000 INCHES MAXIMUM IN
  • Thickness: 0.031 INCHES NOMINAL IN
  • Identification Code Color: NATURAL
  • 10 verified cross-references
Applications
  • Applications requiring Plastic Phenolic construction
General Description

The Insulation Sheet,electrical, cataloged under National Stock Number 5970-00-826-3977, 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 Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-826-3977
Primary Part NumberL-P-509
Item NameInsulation Sheet,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialPLASTIC PHENOLIC
Nondefinitive Spec/std DataPBE-P TYPE
Length3.000 FEET MINIMUM AND 8.000 FEET MAXIMUM FT
Width36.000 INCHES MINIMUM AND 50.000 INCHES MAXIMUM IN
Thickness0.031 INCHES NOMINAL IN
Identification Code ColorNATURAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9390-00-226-8590 INTERCHANGEABLE
Nonmetallic Rod
9390-00-226-8591 INTERCHANGEABLE
Nonmetallic Rod
9390-00-226-8593 INTERCHANGEABLE
Nonmetallic Rod
9390-00-226-8594 INTERCHANGEABLE
Nonmetallic Rod
9390-00-641-1179 INTERCHANGEABLE
Nonmetallic Rod
9390-00-641-1181 INTERCHANGEABLE
Nonmetallic Rod
9390-00-641-1184 INTERCHANGEABLE
Nonmetallic Rod
9390-00-641-1185 INTERCHANGEABLE
Nonmetallic Rod
9390-00-641-1187 INTERCHANGEABLE
Nonmetallic Rod
5970-00-728-5020 INTERCHANGEABLE
Insulation Rod,electrical
Cross-Reference Index
Part NumberManufacturer
L-P-509 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9072098 Us Army Aviation and Missile Command (USA)
LL31 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ASTM-D709 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
9169022 Us Army Aviation and Missile Command (USA)
L-P-513 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
L-P-513C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
YA221-1007P29 Raytheon Co Equipment Development Lab (USA)
8591837 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
9072101 Us Army Aviation and Missile Command (USA)
Related Parts
9390-00-226-8590INTERCHANGEABLE
NONMETALLIC ROD
9390-00-226-8591INTERCHANGEABLE
NONMETALLIC ROD
9390-00-226-8593INTERCHANGEABLE
NONMETALLIC ROD
9390-00-226-8594INTERCHANGEABLE
NONMETALLIC ROD
9390-00-641-1179INTERCHANGEABLE
NONMETALLIC ROD
9390-00-641-1181INTERCHANGEABLE
NONMETALLIC ROD
9390-00-641-1184INTERCHANGEABLE
NONMETALLIC ROD
9390-00-641-1185INTERCHANGEABLE
NONMETALLIC ROD
9390-00-641-1187INTERCHANGEABLE
NONMETALLIC ROD
5970-00-728-5020INTERCHANGEABLE
INSULATION ROD,ELECTRICAL
5970-00-728-5021INTERCHANGEABLE
INSULATION ROD,ELECTRICAL
5970-00-728-5040INTERCHANGEABLE
INSULATION ROD,ELECTRICAL

Frequently Asked Questions

What is NSN 5970-00-826-3977?

NSN 5970-00-826-3977 is a Insulation Sheet,electrical, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-826-3977?

NSN 5970-00-826-3977 has 10 cross-referenced part numbers: L-P-509 (Federal Specifications Promulgated by General Services Administration Washington DC), 9072098 (Us Army Aviation and Missile Command), LL31 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM-D709 (Federal Specifications Promulgated by General Services Administration Washington DC), 9169022 (Us Army Aviation and Missile Command) and 5 more.

What NSN replaces 5970-00-826-3977?

There are 12 known substitutes for 5970-00-826-3977: 9390-00-226-8590, 9390-00-226-8591, 9390-00-226-8593 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L-P-509?

Key specifications for L-P-509: Material: PLASTIC PHENOLIC; Nondefinitive Spec/std Data: PBE-P TYPE; Length: 3.000 FEET MINIMUM AND 8.000 FEET MAXIMUM FT; Width: 36.000 INCHES MINIMUM AND 50.000 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-826-3977 still in active supply?

NSN 5970-00-826-3977 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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