PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18256Cap,electrical

Prestolite Electric Inc · NSN 5999-00-280-0556 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-280-0556 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-280-0556. Primary manufacturer part number: 18256.
Features
  • Cap,electrical — FSC 5999
  • Surface Treatment: PAINT
  • Diameter: 1.250 INCHES NOMINAL IN
  • Chain: NOT INCLUDED
  • Length: 0.188 INCHES NOMINAL IN
  • Mounting Method: FRICTION
  • Insert: NOT INCLUDED
  • Material: IRON ALLOY BODY
Applications
  • Applications requiring Iron Alloy Body construction
General Description

The Cap,electrical, cataloged under National Stock Number 5999-00-280-0556, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5999-00-280-0556
Primary Part Number18256
Item NameCap,electrical
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusCANCELLED
Surface TreatmentPAINT
Diameter1.250 INCHES NOMINAL IN
ChainNOT INCLUDED
Length0.188 INCHES NOMINAL IN
Mounting MethodFRICTION
InsertNOT INCLUDED
MaterialIRON ALLOY BODY
Surface TreatmentPAINT
Diameter1.250 INCHES NOMINAL IN
ChainNOT INCLUDED
Length0.188 INCHES NOMINAL IN
Mounting MethodFRICTION
InsertNOT INCLUDED
MaterialIRON ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
Programmer,prom
5935-00-421-6231C1836-7 INTERCHANGEABLE
Plug,tip
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
9540-00-637-2831 INTERCHANGEABLE
Angle,structural
5330-00-808-7611H4-56A INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
3110-01-163-653418256 INTERCHANGEABLE
Ball,bearing
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5998-01-340-850299-019-01 INTERCHANGEABLE
Printed Circuit Board
Wyse Technology Inc.
5315-01-699-1670990190-1 INTERCHANGEABLE
Pin,straight,headless
Mission Systems Orchard Park Inc
Cross-Reference Index
Part NumberManufacturer
38-167-2 Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA)
18256 Prestolite Electric Inc (USA)
18256 PRIMARY Prestolite Electric Inc (USA)
99019-01 Cummins Inc. (USA)
LN18256 Prestolite Electric Inc (USA)
3219333 General Motors Corp Electro-Motive Div (USA)
JHP85-341 Hollingsworth John R Co (USA)
3219333 PRIMARY Hatch & Kirk, Inc. (USA)
Related Parts
7050-01-099-0359SUCCESSOR
PROGRAMMER,PROM
5935-00-421-6231INTERCHANGEABLE
PLUG,TIP
C1836-7
9540-00-637-2831INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-808-7611INTERCHANGEABLE
PACKING,PREFORMED
H4-56A
3110-01-163-6534INTERCHANGEABLE
BALL,BEARING
18256
5998-01-340-8502INTERCHANGEABLE
PRINTED CIRCUIT BOARD
99-019-01
5315-01-699-1670INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
990190-1

Frequently Asked Questions

What is NSN 5999-00-280-0556?

NSN 5999-00-280-0556 is a Cap,electrical, manufactured by Prestolite Electric Inc, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-280-0556?

NSN 5999-00-280-0556 has 8 cross-referenced part numbers: 38-167-2 (Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div), 18256 (Prestolite Electric Inc), 18256 (Prestolite Electric Inc), 99019-01 (Cummins Inc.), LN18256 (Prestolite Electric Inc) and 3 more.

What NSN replaces 5999-00-280-0556?

There are 7 known substitutes for 5999-00-280-0556: 7050-01-099-0359, 5935-00-421-6231, 9540-00-637-2831 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18256?

Key specifications for 18256: Surface Treatment: PAINT; Diameter: 1.250 INCHES NOMINAL IN; Chain: NOT INCLUDED; Length: 0.188 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-280-0556 still in active supply?

NSN 5999-00-280-0556 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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