PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

856Cap,pipe

Rosco Mfg Co · NSN 4730-00-426-0987 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-426-0987 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-426-0987. Primary manufacturer part number: 856.
Features
  • Cap,pipe — FSC 4730
  • Material: IRON OVERALL
  • Nominal Pipe Size for Which Designed: 2.500 INCHES IN
  • Nominal Thread Size: 2.500 INCHES INTERNAL IN
  • Connection Style: PLAIN (OPTIONAL END)
  • Thread Direction: RIGHT-HAND INTERNAL
  • Thread Series Designator: NPT INTERNAL
  • 2 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Iron Overall construction
General Description

The Cap,pipe, cataloged under National Stock Number 4730-00-426-0987, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Rosco Mfg Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-426-0987
Primary Part Number856
Item NameCap,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRosco Mfg Co
StatusACTIVE
MaterialIRON OVERALL
Nominal Pipe Size for Which Designed2.500 INCHES IN
Nominal Thread Size2.500 INCHES INTERNAL IN
Connection StylePLAIN (OPTIONAL END)
Thread DirectionRIGHT-HAND INTERNAL
Thread Series DesignatorNPT INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2040-00-063-2872 INTERCHANGEABLE
Connector,bilge Pump
6145-00-110-9410856 INTERCHANGEABLE
Braid,wire
Birnbach Co Inc
6210-00-117-3203856 INTERCHANGEABLE
Globe,electric Light
Abb Installation Products Inc
5962-00-118-952810682447-1 INTERCHANGEABLE
Microcircuit,linear
Us Army Aviation and Missile Command
4730-00-263-6470705 INTERCHANGEABLE
Tee,tube
Thompson Emery Machine & Supply Co
5310-00-291-9959 INTERCHANGEABLE
Washer,flat
6625-00-325-8510124-157 INTERCHANGEABLE
Meter,replacement
Jewell Instruments Llc
6250-00-488-5399856 INTERCHANGEABLE
Lampholder
Bryant Electric
6250-00-635-034310045 INTERCHANGEABLE
Lampholder
Leviton Mfg Co Inc
5133-00-865-4223 INTERCHANGEABLE
Bit,spade,wood Boring
Cross-Reference Index
Part NumberManufacturer
R856 Rosco Mfg Co (USA)
856 PRIMARY Rosco Mfg Co (USA)
Related Parts
2040-00-063-2872INTERCHANGEABLE
CONNECTOR,BILGE PUMP
6145-00-110-9410INTERCHANGEABLE
BRAID,WIRE
856
6210-00-117-3203INTERCHANGEABLE
GLOBE,ELECTRIC LIGHT
856
5962-00-118-9528INTERCHANGEABLE
MICROCIRCUIT,LINEAR
10682447-1
4730-00-263-6470INTERCHANGEABLE
TEE,TUBE
705
5310-00-291-9959INTERCHANGEABLE
WASHER,FLAT
6625-00-325-8510INTERCHANGEABLE
METER,REPLACEMENT
124-157
6250-00-488-5399INTERCHANGEABLE
LAMPHOLDER
856
6250-00-635-0343INTERCHANGEABLE
LAMPHOLDER
10045
5133-00-865-4223INTERCHANGEABLE
BIT,SPADE,WOOD BORING
6110-01-059-5685INTERCHANGEABLE
INDICATOR,DIGITAL
856
5330-01-251-4688INTERCHANGEABLE
SEAL,PLAIN
856

Frequently Asked Questions

What is NSN 4730-00-426-0987?

NSN 4730-00-426-0987 is a Cap,pipe, manufactured by Rosco Mfg Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-426-0987?

NSN 4730-00-426-0987 has 2 cross-referenced part numbers: R856 (Rosco Mfg Co), 856 (Rosco Mfg Co).

What NSN replaces 4730-00-426-0987?

There are 12 known substitutes for 4730-00-426-0987: 2040-00-063-2872, 6145-00-110-9410, 6210-00-117-3203 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 856?

Key specifications for 856: Material: IRON OVERALL; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Nominal Thread Size: 2.500 INCHES INTERNAL IN; Connection Style: PLAIN (OPTIONAL END). 6 total characteristics are documented in the Federal Logistics Information System.

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