PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4509Insulator,bushing

Nvf Company (inc) · NSN 5970-00-816-0268 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-816-0268 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-816-0268. Primary manufacturer part number: 4509.
Features
  • Insulator,bushing — FSC 5970
  • Inside Diameter: 0.380 INCHES NOMINAL IN
  • Identification Code Color: BLACK
  • Shank Outside Diameter: 0.437 INCHES NOMINAL IN
  • Style Designator: SHOULDER
  • Material Form: VULCANIZED OVERALL
  • Material: COTTON OVERALL
  • Shank Height: 0.029 INCHES NOMINAL IN
Applications
  • Applications requiring Cotton Overall construction
General Description

The Insulator,bushing, cataloged under National Stock Number 5970-00-816-0268, 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 Nvf Company (inc). Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 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
NSN5970-00-816-0268
Primary Part Number4509
Item NameInsulator,bushing
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNvf Company (inc)
StatusCANCELLED
Inside Diameter0.380 INCHES NOMINAL IN
Identification Code ColorBLACK
Shank Outside Diameter0.437 INCHES NOMINAL IN
Style DesignatorSHOULDER
Material FormVULCANIZED OVERALL
MaterialCOTTON OVERALL
Shank Height0.029 INCHES NOMINAL IN
Outside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-194-0012 INTERCHANGEABLE
Washer,flat
6240-00-237-7867 INTERCHANGEABLE
Lamp,incandescent
9650-00-277-83754509 INTERCHANGEABLE
Lead Shot
L & L Boiler Maintenance Inc
5999-00-351-8040 INTERCHANGEABLE
Contact,electrical
5365-00-580-22610004-0003-50 INTERCHANGEABLE
Spacer,ring
Portland Valve Llc
4730-00-618-76274509 INTERCHANGEABLE
Elbow,pipe
Fwd Seagrave Holdings Lp
3805-00-625-6016692 INTERCHANGEABLE
Clip Assembly,chuck
Milton Industries, Inc
5950-00-646-3612 INTERCHANGEABLE
Transformer,audio Frequency
5961-00-815-8450S1029 INTERCHANGEABLE
Semiconductor Device,diode
Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
5905-00-969-32724509 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Enersys Inc. Div Hertner
Cross-Reference Index
Part NumberManufacturer
10015465-14 Us Army Aviation and Missile Command (USA)
S1029 Switchcraft Inc. (USA)
2310-5079 Seeburg Corp the Seeburg Products Div (USA)
6529 Gc/waldom Inc (USA)
10015465-014 Us Army Aviation and Missile Command (USA)
9062645 Us Army Aviation and Missile Command (USA)
4509 PRIMARY Nvf Company (inc) (USA)
Related Parts
5310-00-194-0012INTERCHANGEABLE
WASHER,FLAT
6240-00-237-7867INTERCHANGEABLE
LAMP,INCANDESCENT
9650-00-277-8375INTERCHANGEABLE
LEAD SHOT
4509
5999-00-351-8040INTERCHANGEABLE
CONTACT,ELECTRICAL
5365-00-580-2261INTERCHANGEABLE
SPACER,RING
0004-0003-50
4730-00-618-7627INTERCHANGEABLE
ELBOW,PIPE
4509
3805-00-625-6016INTERCHANGEABLE
CLIP ASSEMBLY,CHUCK
692
5950-00-646-3612INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5961-00-815-8450INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S1029
5905-00-969-3272INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4509
6515-01-048-6701INTERCHANGEABLE
ANESTHESIA SET,SPINAL
6625-01-127-9892INTERCHANGEABLE
PROBE
610-3975

Frequently Asked Questions

What is NSN 5970-00-816-0268?

NSN 5970-00-816-0268 is a Insulator,bushing, manufactured by Nvf Company (inc), classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-816-0268?

NSN 5970-00-816-0268 has 7 cross-referenced part numbers: 10015465-14 (Us Army Aviation and Missile Command), S1029 (Switchcraft Inc.), 2310-5079 (Seeburg Corp the Seeburg Products Div), 6529 (Gc/waldom Inc), 10015465-014 (Us Army Aviation and Missile Command) and 2 more.

What NSN replaces 5970-00-816-0268?

There are 12 known substitutes for 5970-00-816-0268: 5310-00-194-0012, 6240-00-237-7867, 9650-00-277-8375 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4509?

Key specifications for 4509: Inside Diameter: 0.380 INCHES NOMINAL IN; Identification Code Color: BLACK; Shank Outside Diameter: 0.437 INCHES NOMINAL IN; Style Designator: SHOULDER. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-816-0268 still in active supply?

NSN 5970-00-816-0268 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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