PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28145Cap Assembly,protective,muffler-

Stewart & Stevenson Power Products Llc · NSN 2990-00-830-6539 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-830-6539 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-830-6539. Primary manufacturer part number: 28145.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • Material: STEEL
  • 1 verified cross-reference
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Applications requiring Steel construction
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-830-6539, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-830-6539
Primary Part Number28145
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-269-7972 INTERCHANGEABLE
Wrench,open End Box
6145-00-397-30462814/5 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5355-00-568-1730231-1030P1 INTERCHANGEABLE
Knob
Raytheon Company Dba Raytheon Co
2915-00-689-353028145 INTERCHANGEABLE
Impeller,pump,centrifugal
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
4130-00-777-3596A903-1111 INTERCHANGEABLE
Cooling Coil,air,duct Type
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
5950-00-809-4535 INTERCHANGEABLE
Reactor
1680-00-867-58907345028 INTERCHANGEABLE
Bail,lifting
Harmonic Drive L.l.c.
5330-01-186-114128-145 INTERCHANGEABLE
Gasket
Hoyt Corporation
Cross-Reference Index
Part NumberManufacturer
28145 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5120-00-269-7972INTERCHANGEABLE
WRENCH,OPEN END BOX
6145-00-397-3046INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
2814/5
5355-00-568-1730INTERCHANGEABLE
KNOB
231-1030P1
2915-00-689-3530INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
28145
4130-00-777-3596INTERCHANGEABLE
COOLING COIL,AIR,DUCT TYPE
A903-1111
5950-00-809-4535INTERCHANGEABLE
REACTOR
1680-00-867-5890INTERCHANGEABLE
BAIL,LIFTING
7345028
5330-01-186-1141INTERCHANGEABLE
GASKET
28-145

Frequently Asked Questions

What is NSN 2990-00-830-6539?

NSN 2990-00-830-6539 is a Cap Assembly,protective,muffler-, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-830-6539?

NSN 2990-00-830-6539 has 1 cross-referenced part number: 28145 (Stewart & Stevenson Power Products Llc).

What NSN replaces 2990-00-830-6539?

There are 8 known substitutes for 2990-00-830-6539: 5120-00-269-7972, 6145-00-397-3046, 5355-00-568-1730 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28145?

Key specifications for 28145: Material: STEEL. 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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