PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25527Cap,filler Opening

Tyco Fire Products Lp · NSN 2590-00-035-9451 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-035-9451 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-035-9451. Primary manufacturer part number: 25527.
Features
  • Cap,filler Opening — FSC 2590
  • Overall Diameter: 10.750 INCHES NOMINAL IN
  • Accommodation Type: LUGS END GRIPPING
  • Thread Diameter: 4.7500 INCHES NOMINAL IN
  • Filler Neck Diameter for Which Designed: 4.750 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY OVERALL
  • Style Designator: OFF-SET LUG TYPE THREADED INTERNAL
  • System for Which Designed: NONPRESSURIZED
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-00-035-9451, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Tyco Fire Products Lp. Government technical data includes 12 verified specifications, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-035-9451
Primary Part Number25527
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerTyco Fire Products Lp
StatusACTIVE
Overall Diameter10.750 INCHES NOMINAL IN
Accommodation TypeLUGS END GRIPPING
Thread Diameter4.7500 INCHES NOMINAL IN
Filler Neck Diameter for Which Designed4.750 INCHES NOMINAL IN
MaterialALUMINUM ALLOY OVERALL
Style DesignatorOFF-SET LUG TYPE THREADED INTERNAL
System for Which DesignedNONPRESSURIZED
Thread Quantity10.000 PER INCH
Features ProvidedBREATHER HOLE
Thread Series DesignatorUNS
Thread Class2B
Thread Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-6162145626 INTERCHANGEABLE
Ball,bearing
Linear Motion Llc Div Ugm
3110-00-289-649525527 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5360-00-962-257025527 INTERCHANGEABLE
Spring,helical,compression
Solar Turbines Incorporated Dba Solar Turbines Incorporated
4710-01-038-462325527 INTERCHANGEABLE
Tube Assembly,metal
Williams International Co., L.l.c.
4940-01-117-909310150 INTERCHANGEABLE
Cross Head Assembly
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5970-01-421-4019 INTERCHANGEABLE
Insulator,spacer
Cross-Reference Index
Part NumberManufacturer
25527 PRIMARY Tyco Fire Products Lp (USA)
25527N Grinnell Corp Grinnell Fire Protection Systmes Div (USA)
Related Parts
3110-00-100-6162INTERCHANGEABLE
BALL,BEARING
145626
3110-00-289-6495INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
25527
5360-00-962-2570INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
25527
4710-01-038-4623INTERCHANGEABLE
TUBE ASSEMBLY,METAL
25527
4940-01-117-9093INTERCHANGEABLE
CROSS HEAD ASSEMBLY
10150
5970-01-421-4019INTERCHANGEABLE
INSULATOR,SPACER

Frequently Asked Questions

What is NSN 2590-00-035-9451?

NSN 2590-00-035-9451 is a Cap,filler Opening, manufactured by Tyco Fire Products Lp, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-035-9451?

NSN 2590-00-035-9451 has 2 cross-referenced part numbers: 25527 (Tyco Fire Products Lp), 25527N (Grinnell Corp Grinnell Fire Protection Systmes Div).

What NSN replaces 2590-00-035-9451?

There are 6 known substitutes for 2590-00-035-9451: 3110-00-100-6162, 3110-00-289-6495, 5360-00-962-2570 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25527?

Key specifications for 25527: Overall Diameter: 10.750 INCHES NOMINAL IN; Accommodation Type: LUGS END GRIPPING; Thread Diameter: 4.7500 INCHES NOMINAL IN; Filler Neck Diameter for Which Designed: 4.750 INCHES NOMINAL 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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