PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8A7184Ratchet Segment

Napco International Llc Dba Napco International Inc · NSN 2530-00-574-9123 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-574-9123 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-574-9123. Primary manufacturer part number: 8A7184.
Features
  • Ratchet Segment — FSC 2530
  • General Characteristics Item Description: STEEL,SAE 1010 OR 1020,0.250 IN. THK,CENTERLINE 3.375 IN. LG,ON 4.0625 IN. RADIUS,TOP ON 4.500 IN. RADIUS,BOTTOM ON 3.59375 IN. RADIUS,1.000 IN. LEFT OF CENTER LINE TO 0.6875 IN. RT OF CENTER LINE,2 HOLES 0.34375 IN. DIA,CENTERED 2.500 IN. APART ON CENTER LINE,BOTH HOLES COUNTERSUNK ON BACK SIDE,76.0 DEG,0.65625 IN. SURFACE DIA,BOTH ENDS ROUNDED ON 0.4375 IN. RADIUS FROM CENTER OF HOLES,9 NOTCHES ON BOTTOM EDGE STARTING 1.15625 IN. LEFT OF CENTER LINE IN
  • 7 verified cross-references
  • Primary manufacturer: Napco International Llc Dba Napco International Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ratchet Segment, cataloged under National Stock Number 2530-00-574-9123, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-574-9123
Primary Part Number8A7184
Item NameRatchet Segment
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,SAE 1010 OR 1020,0.250 IN. THK,CENTERLINE 3.375 IN. LG,ON 4.0625 IN. RADIUS,TOP ON 4.500 IN. RADIUS,BOTTOM ON 3.59375 IN. RADIUS,1.000 IN. LEFT OF CENTER LINE TO 0.6875 IN. RT OF CENTER LINE,2 HOLES 0.34375 IN. DIA,CENTERED 2.500 IN. APART ON CENTER LINE,BOTH HOLES COUNTERSUNK ON BACK SIDE,76.0 DEG,0.65625 IN. SURFACE DIA,BOTH ENDS ROUNDED ON 0.4375 IN. RADIUS FROM CENTER OF HOLES,9 NOTCHES ON BOTTOM EDGE STARTING 1.15625 IN. LEFT OF CENTER LINE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2825-00-076-3833500125 INTERCHANGEABLE
Nozzle Block,turbin
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
5330-00-297-643843-909 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
2915-00-308-1533RA9092 INTERCHANGEABLE
Plate,bypass
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
2920-00-364-0940127-9 INTERCHANGEABLE
Lever,contact Point
Dresser Industries Inc Leroi Div
5325-00-514-2957S144-35 INTERCHANGEABLE
Ring,retaining
Miltope Corporation
4730-00-541-47525001-25 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Raytheon Company Div Rmd Strategic
3110-00-554-5653 INTERCHANGEABLE
Bearing,ball,annular
5360-00-575-3445127-9 INTERCHANGEABLE
Spring,garter,extension
Graphite Metallizing Corporation Dba Graphite Metallizing Corp
2940-00-658-73641279 INTERCHANGEABLE
Filter Element,fluid
Napa Auto Parts
5340-00-982-62941279 INTERCHANGEABLE
Strap,retaining
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
14-00592 Kaitlin Corp (USA)
365766001 Kaitlin Corp (USA)
8A7184 PRIMARY Napco International Llc Dba Napco International Inc (USA)
500125 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
3877P11 Taylor Machine Works Inc (USA)
390927 White Motor Corp (USA)
1279 Eaton Corp Transmission Div (USA)
Related Parts
2825-00-076-3833INTERCHANGEABLE
NOZZLE BLOCK,TURBIN
500125
5330-00-297-6438INTERCHANGEABLE
SEAL,PLAIN ENCASED
43-909
2915-00-308-1533INTERCHANGEABLE
PLATE,BYPASS
RA9092
2920-00-364-0940INTERCHANGEABLE
LEVER,CONTACT POINT
127-9
5325-00-514-2957INTERCHANGEABLE
RING,RETAINING
S144-35
4730-00-541-4752INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
5001-25
3110-00-554-5653INTERCHANGEABLE
BEARING,BALL,ANNULAR
5360-00-575-3445INTERCHANGEABLE
SPRING,GARTER,EXTENSION
127-9
2940-00-658-7364INTERCHANGEABLE
FILTER ELEMENT,FLUID
1279
5340-00-982-6294INTERCHANGEABLE
STRAP,RETAINING
1279
6515-01-169-3873INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
1279
5305-01-345-1702INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
1279-P

Frequently Asked Questions

What is NSN 2530-00-574-9123?

NSN 2530-00-574-9123 is a Ratchet Segment, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-574-9123?

NSN 2530-00-574-9123 has 7 cross-referenced part numbers: 14-00592 (Kaitlin Corp), 365766001 (Kaitlin Corp), 8A7184 (Napco International Llc Dba Napco International Inc), 500125 (Brockway Motor Trucks Div of Mack Trucks Inc), 3877P11 (Taylor Machine Works Inc) and 2 more.

What NSN replaces 2530-00-574-9123?

There are 12 known substitutes for 2530-00-574-9123: 2825-00-076-3833, 5330-00-297-6438, 2915-00-308-1533 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8A7184?

Key specifications for 8A7184: General Characteristics Item Description: STEEL,SAE 1010 OR 1020,0.250 IN. THK,CENTERLINE 3.375 IN. LG,ON 4.0625 IN. RADIUS,TOP ON 4.500 IN. RADIUS,BOTTOM ON 3.59375 IN. RADIUS,1.000 IN. LEFT OF CENTER LINE TO 0.6875 IN. RT OF CENTER LINE,2 HOLES 0.34375 IN. DIA,CENTERED 2.500 IN. APART ON CENTER LINE,BOTH HOLES COUNTERSUNK ON BACK SIDE,76.0 DEG,0.65625 IN. SURFACE DIA,BOTH ENDS ROUNDED ON 0.4375 IN. RADIUS FROM CENTER OF HOLES,9 NOTCHES ON BOTTOM EDGE STARTING 1.15625 IN. LEFT OF CENTER LINE IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-574-9123 still in active supply?

NSN 2530-00-574-9123 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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