PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11016Cap Assembly,protective,muffler-

Gleason Corp · NSN 2990-00-870-7520 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-870-7520 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-870-7520. Primary manufacturer part number: 11016.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • Material: STEEL
  • Pipe Diameter Range Accommodated: +4.750 TO 5.000 INCHES IN
  • 9 verified cross-references
  • Primary manufacturer: Gleason Corp
Applications
  • Applications requiring Steel construction
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-870-7520, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Gleason Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-870-7520
Primary Part Number11016
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGleason Corp
StatusCANCELLED
MaterialSTEEL
Pipe Diameter Range Accommodated+4.750 TO 5.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
2990-00-089-20795238GX2 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Oshkosh Defense Llc
3110-00-100-07903776 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2990-01-219-569935910 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Walker Mfg Co
2990-01-247-95462008449C1 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Navistar Intl Corp Truck Br Ohio Plant
Cross-Reference Index
Part NumberManufacturer
610210C91 Komatsu American Intl Co (USA)
SIZE15 Gleason Corp (USA)
321577R91 Komatsu American Intl Co (USA)
B6431 Stewart R a and Co Inc (USA)
11016 PRIMARY Gleason Corp (USA)
610210C91 Komatsu America Corp. (USA)
407-B6431 PRIMARY Wheeler Fleet Solutions, Co. (USA)
11016 Gleason Corp Anthes Div (USA)
B6431 Stewart Avionics Inc (USA)
Related Parts
2990-00-089-2079INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
5238GX2
3110-00-100-0790INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3776
2990-01-219-5699INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
35910
2990-01-247-9546INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
2008449C1

Frequently Asked Questions

What is NSN 2990-00-870-7520?

NSN 2990-00-870-7520 is a Cap Assembly,protective,muffler-, manufactured by Gleason Corp, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-870-7520?

NSN 2990-00-870-7520 has 9 cross-referenced part numbers: 610210C91 (Komatsu American Intl Co), SIZE15 (Gleason Corp), 321577R91 (Komatsu American Intl Co), B6431 (Stewart R a and Co Inc), 11016 (Gleason Corp) and 4 more.

What NSN replaces 2990-00-870-7520?

There are 4 known substitutes for 2990-00-870-7520: 2990-00-089-2079, 3110-00-100-0790, 2990-01-219-5699 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11016?

Key specifications for 11016: Material: STEEL; Pipe Diameter Range Accommodated: +4.750 TO 5.000 INCHES IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-870-7520 still in active supply?

NSN 2990-00-870-7520 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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