PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251-7Tip Nozzle

Aqua-Chem Inc Cleaver-Brooks Div · NSN 4530-00-911-6300 · FSC 4530 · No Item Name Available
Verified by PartsTable
NSN 4530-00-911-6300 — this item is cataloged by the U.S. Government under National Stock Number 4530-00-911-6300. Primary manufacturer part number: 251-7.
Features
  • Tip Nozzle — FSC 4530
  • General Characteristics Item Description: BRASS; 1.000 IN. O/A LG 0.875 IN. ACROSS WRENCHING FLATS 5; 0.070 IN. ORIFICE; SPECIAL THREAD WITH 0.705 IN. MAJ DIA 18 THREADS,0.609 IN.MINOR DIA 2A RH; 0.188 IN. THD LG; FURNISHED WITH BRASS INSERT A
  • 2 verified cross-references
  • Primary manufacturer: Aqua-Chem Inc Cleaver-Brooks Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tip Nozzle, cataloged under National Stock Number 4530-00-911-6300, is classified within Federal Supply Class 4530 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Aqua-Chem Inc Cleaver-Brooks Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4530-00-911-6300
Primary Part Number251-7
Item NameTip Nozzle
FSC / FSG4530 / 45 — No Item Name Available
ManufacturerAqua-Chem Inc Cleaver-Brooks Div
StatusACTIVE
General Characteristics Item DescriptionBRASS; 1.000 IN. O/A LG 0.875 IN. ACROSS WRENCHING FLATS 5; 0.070 IN. ORIFICE; SPECIAL THREAD WITH 0.705 IN. MAJ DIA 18 THREADS,0.609 IN.MINOR DIA 2A RH; 0.188 IN. THD LG; FURNISHED WITH BRASS INSERT A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-224-8925 INTERCHANGEABLE
File,rotary
5340-00-224-98602517 INTERCHANGEABLE
Bumper
Atlantic India Rubber Co Inc
5365-00-475-934830V18 INTERCHANGEABLE
Bushing,tapered
Telsmith Inc Div of Astec Industries Inc
5930-00-549-0405 INTERCHANGEABLE
Switch,rotary
5950-00-683-79412517 INTERCHANGEABLE
Transformer,power
Miller-Holzwarth Inc.
5310-00-846-89502517 INTERCHANGEABLE
Washer,flat
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5905-00-926-2814C0RRIB4R0K INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5365-00-985-1591 INTERCHANGEABLE
Bushing,tapered
5935-01-005-3579 INTERCHANGEABLE
Connector,plug,electrical
5140-01-047-35882-517 INTERCHANGEABLE
Tool Box,portable
Jensen Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
251-7 Aqua-Chem Inc Cleaver-Brooks Div (USA)
251-7 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
Related Parts
3455-00-224-8925INTERCHANGEABLE
FILE,ROTARY
5340-00-224-9860INTERCHANGEABLE
BUMPER
2517
5365-00-475-9348INTERCHANGEABLE
BUSHING,TAPERED
30V18
5930-00-549-0405INTERCHANGEABLE
SWITCH,ROTARY
5950-00-683-7941INTERCHANGEABLE
TRANSFORMER,POWER
2517
5310-00-846-8950INTERCHANGEABLE
WASHER,FLAT
2517
5905-00-926-2814INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
C0RRIB4R0K
5365-00-985-1591INTERCHANGEABLE
BUSHING,TAPERED
5935-01-005-3579INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5140-01-047-3588INTERCHANGEABLE
TOOL BOX,PORTABLE
2-517
4320-01-181-6523INTERCHANGEABLE
HOUSING,LIQUID PUMP
2517
5365-01-218-1336INTERCHANGEABLE
BUSHING,TAPERED
V0004588

Frequently Asked Questions

What is NSN 4530-00-911-6300?

NSN 4530-00-911-6300 is a Tip Nozzle, manufactured by Aqua-Chem Inc Cleaver-Brooks Div, classified under FSC 4530 (No Item Name Available). Status: active.

What are the part numbers for NSN 4530-00-911-6300?

NSN 4530-00-911-6300 has 2 cross-referenced part numbers: 251-7 (Aqua-Chem Inc Cleaver-Brooks Div), 251-7 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).

What NSN replaces 4530-00-911-6300?

There are 12 known substitutes for 4530-00-911-6300: 3455-00-224-8925, 5340-00-224-9860, 5365-00-475-9348 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 251-7?

Key specifications for 251-7: General Characteristics Item Description: BRASS; 1.000 IN. O/A LG 0.875 IN. ACROSS WRENCHING FLATS 5; 0.070 IN. ORIFICE; SPECIAL THREAD WITH 0.705 IN. MAJ DIA 18 THREADS,0.609 IN.MINOR DIA 2A RH; 0.188 IN. THD LG; FURNISHED WITH BRASS INSERT A. 1 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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