PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

09-215-21/2X21/2Adapter,straight,pipe to Hose

Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler · NSN 4730-00-541-6551 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-6551 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-6551. Primary manufacturer part number: 09-215-21/2X21/2.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Thread Series Designator: NPT FIRST END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Nominal Overall Length: 2.937 INCHES IN
  • Thread Series Designator: NH SECOND END
  • Connection Style: SWIVEL NUT, GASKET SEAL (HOSE) SECOND END
  • Connection Type: THREADED INTERNAL HOSE SECOND END
  • Material: COPPER ALLOY OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-00-541-6551, 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 Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, 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
NSN4730-00-541-6551
Primary Part Number09-215-21/2X21/2
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler
StatusACTIVE
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Overall Length2.937 INCHES IN
Thread Series DesignatorNH SECOND END
Connection StyleSWIVEL NUT, GASKET SEAL (HOSE) SECOND END
Connection TypeTHREADED INTERNAL HOSE SECOND END
MaterialCOPPER ALLOY OVERALL
Thread Quantity Per Inch7-1/2 SECOND END
Nominal Inside Diameter Hose Accommodated2.500 INCHES SECOND END IN
Nominal Thread Size2.500 INCHES SECOND END IN
Nominal Pipe Size Accommodated2.5000 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size2.500 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5985-00-093-55907762919P5&DIAL INTERCHANGEABLE
Switch,radio Frequency Transmiss
Lockheed Martin Corporation Div Rms
3110-00-100-056328315 INTERCHANGEABLE
Cup,tapered Roller Bearing
Nsk Corp Bearing Div
6810-00-222-2633 INTERCHANGEABLE
Sulfanilic Acid,monohydrate
3040-00-313-2601 INTERCHANGEABLE
Connecting Link,rigid
4930-00-356-392488975 INTERCHANGEABLE
Gun,fluid,direct Delivery
Alnitak Corporation
5821-00-432-2822SG1954 INTERCHANGEABLE
Screw
Aimtron Systems, Llc
4730-00-541-6554 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4730-00-589-35025912 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5340-00-770-4564 INTERCHANGEABLE
Hook,screw
2920-00-905-0605 INTERCHANGEABLE
Regulator,engine Generator
Cross-Reference Index
Part NumberManufacturer
0345-00-1-1-01-955 Akron Brass Company (USA)
0354 Akron Brass Company (USA)
72R Mindeco Corp (USA)
SHIPSC2483 Naval Sea Systems Command (USA)
363-25222561 Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company (USA)
SHIPSC2483 Naval Ship Systems Command (USA)
5912 Glauber Inc (USA)
09-215-21/2X21/2 PRIMARY Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler (USA)
363-25222561 Intelliworks Ht (USA)
S-327-21/2X21/2 Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA)
Related Parts
5985-00-093-5590INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
7762919P5&DIAL
3110-00-100-0563INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
28315
6810-00-222-2633INTERCHANGEABLE
SULFANILIC ACID,MONOHYDRATE
3040-00-313-2601INTERCHANGEABLE
CONNECTING LINK,RIGID
4930-00-356-3924INTERCHANGEABLE
GUN,FLUID,DIRECT DELIVERY
88975
5821-00-432-2822INTERCHANGEABLE
SCREW
SG1954
4730-00-541-6554INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4730-00-589-3502INTERCHANGEABLE
CLAMP,HOSE
5912
5340-00-770-4564INTERCHANGEABLE
HOOK,SCREW
2920-00-905-0605INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
5950-01-170-2694INTERCHANGEABLE
COIL,RADIO FREQUENCY
77C718075P2
5130-01-396-6732INTERCHANGEABLE
HAMMER-DRILL,ELECTRIC,PORTABLE
5912

Frequently Asked Questions

What is NSN 4730-00-541-6551?

NSN 4730-00-541-6551 is a Adapter,straight,pipe to Hose, manufactured by Kidde Fire Fighting Inc Dba Kidde Fire Fighting Div Powhatan/automatic Sprinkler, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-6551?

NSN 4730-00-541-6551 has 10 cross-referenced part numbers: 0345-00-1-1-01-955 (Akron Brass Company), 0354 (Akron Brass Company), 72R (Mindeco Corp), SHIPSC2483 (Naval Sea Systems Command), 363-25222561 (Tamco, Inc. Dba Technical Assistance Company Div Technical Assistance Company) and 5 more.

What NSN replaces 4730-00-541-6551?

There are 12 known substitutes for 4730-00-541-6551: 5985-00-093-5590, 3110-00-100-0563, 6810-00-222-2633 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 09-215-21/2X21/2?

Key specifications for 09-215-21/2X21/2: Thread Series Designator: NPT FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Overall Length: 2.937 INCHES IN; Thread Series Designator: NH SECOND END. 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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