PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

995250Adapter,straight,pipe to Boss

D & D Instruments Inc · NSN 4730-01-280-8345 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-280-8345 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-280-8345. Primary manufacturer part number: 995250.
Features
  • Adapter,straight,pipe to Boss — FSC 4730
  • Thread Series Designator: UNF SECOND END
  • Nominal Overall Length: 1.530 INCHES IN
  • Seat Angle: 45.0 DEGREES FIRST END
  • Nominal Thread Size: 0.875 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Connection Style: SWIVEL NUT INVERTED FLARE (PIPE) FIRST END
  • Thread Class: 2A SECOND END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-280-8345, 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 D & D Instruments Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-280-8345
Primary Part Number995250
Item NameAdapter,straight,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerD & D Instruments Inc
StatusACTIVE
Thread Series DesignatorUNF SECOND END
Nominal Overall Length1.530 INCHES IN
Seat Angle45.0 DEGREES FIRST END
Nominal Thread Size0.875 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StyleSWIVEL NUT INVERTED FLARE (PIPE) FIRST END
Thread Class2A SECOND END A
MaterialSTEEL OVERALL
Thread Series DesignatorNPTF FIRST END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Surface TreatmentZINC OVERALL
Nominal Thread Size0.500 INCHES FIRST END IN
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5133-00-189-9273 INTERCHANGEABLE
Drill,twist
3460-00-244-761518028 INTERCHANGEABLE
Arbor,hole Saw
Black and Decker Us Inc
3455-00-251-114654-10135 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
2530-00-741-241518028 INTERCHANGEABLE
Brake Drum
Paccar Winch Inc Dba Paccar Winch Division
3130-01-142-6359 INTERCHANGEABLE
Housing,bearing Unit
4520-01-184-5158 INTERCHANGEABLE
Heating Element,electrical,nonim
5999-01-428-59111205-0733 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Keysight Technologies Inc
4320-01-658-21951802-8 INTERCHANGEABLE
Ejector,jet
Vita Motivator Co Inc Div Vita Motivator Company
Cross-Reference Index
Part NumberManufacturer
18028 Horton Industries Inc (USA)
995250 Horton Industries Inc (USA)
995250 PRIMARY D & D Instruments Inc (USA)
Related Parts
5133-00-189-9273INTERCHANGEABLE
DRILL,TWIST
3460-00-244-7615INTERCHANGEABLE
ARBOR,HOLE SAW
18028
3455-00-251-1146INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10135
2530-00-741-2415INTERCHANGEABLE
BRAKE DRUM
18028
3130-01-142-6359INTERCHANGEABLE
HOUSING,BEARING UNIT
4520-01-184-5158INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
5999-01-428-5911INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
1205-0733
4320-01-658-2195INTERCHANGEABLE
EJECTOR,JET
1802-8

Frequently Asked Questions

What is NSN 4730-01-280-8345?

NSN 4730-01-280-8345 is a Adapter,straight,pipe to Boss, manufactured by D & D Instruments Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-280-8345?

NSN 4730-01-280-8345 has 3 cross-referenced part numbers: 18028 (Horton Industries Inc), 995250 (Horton Industries Inc), 995250 (D & D Instruments Inc).

What NSN replaces 4730-01-280-8345?

There are 8 known substitutes for 4730-01-280-8345: 5133-00-189-9273, 3460-00-244-7615, 3455-00-251-1146 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 995250?

Key specifications for 995250: Thread Series Designator: UNF SECOND END; Nominal Overall Length: 1.530 INCHES IN; Seat Angle: 45.0 DEGREES FIRST END; Nominal Thread Size: 0.875 INCHES SECOND END IN. 13 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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