PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8976ABellows Assembly,relief Valve

Triumph Engine Control Systems Llc · NSN 2915-00-024-5789 · FSC 2915 · No Item Name Available
Verified by PartsTable
NSN 2915-00-024-5789 — this item is cataloged by the U.S. Government under National Stock Number 2915-00-024-5789. Primary manufacturer part number: 8976A.
Features
  • Bellows Assembly,relief Valve — FSC 2915
  • FSC Application Data: ACFT ENG FUEL SYSTEM COMPONENTS
  • General Characteristics Item Description: BERYLLIUM COPPER,1.266 IN. MIN,1.346 IN. MAX FREE LENGTH,1.4965 IN. MIN,1.4995 IN. MAX DIA IN
  • 5 verified cross-references
  • Primary manufacturer: Triumph Engine Control Systems Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Bellows Assembly,relief Valve, cataloged under National Stock Number 2915-00-024-5789, is classified within Federal Supply Class 2915 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN2915-00-024-5789
Primary Part Number8976A
Item NameBellows Assembly,relief Valve
FSC / FSG2915 / 29 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
FSC Application DataACFT ENG FUEL SYSTEM COMPONENTS
General Characteristics Item DescriptionBERYLLIUM COPPER,1.266 IN. MIN,1.346 IN. MAX FREE LENGTH,1.4965 IN. MIN,1.4995 IN. MAX DIA IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5360-00-076-95968976 INTERCHANGEABLE
Spring,helical,compression
Circor Aerospace, Inc. Div Circor
5820-00-392-58348379 INTERCHANGEABLE
Maintenance Parts Kit
Raytheon Company Dba Raytheon Co
4320-00-394-275705008976P9 INTERCHANGEABLE
Sleeve,shaft,pump
Grundfos Cbs, Inc Dba Paco Pumps
5975-01-136-97968379 INTERCHANGEABLE
Cover,junction Box
Egs Electrical Group Appleton Div
5330-01-143-6343 INTERCHANGEABLE
Gasket
6625-01-167-2974 INTERCHANGEABLE
Test Set,radar
5996-01-204-4936 INTERCHANGEABLE
Amplifier,radio Frequency
4140-01-302-52098976 INTERCHANGEABLE
Impeller,fan,centrifugal
Hartzell Fan, Inc.
4820-01-352-01998976 ITEM 3 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-352-37728976 ITEM 5 INTERCHANGEABLE
Seat,valve
William E Williams Valve Corp
Cross-Reference Index
Part NumberManufacturer
P66-2509-01 Robertshaw Tennessee/cookeville Automotive (USA)
8976A PRIMARY Triumph Engine Control Systems Llc (USA)
8379 Triumph Engine Control Systems Llc (USA)
8976 Triumph Engine Control Systems Llc (USA)
8976B Triumph Engine Control Systems Llc (USA)
Related Parts
5360-00-076-9596INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8976
5820-00-392-5834INTERCHANGEABLE
MAINTENANCE PARTS KIT
8379
4320-00-394-2757INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
05008976P9
5975-01-136-9796INTERCHANGEABLE
COVER,JUNCTION BOX
8379
5330-01-143-6343INTERCHANGEABLE
GASKET
6625-01-167-2974INTERCHANGEABLE
TEST SET,RADAR
5996-01-204-4936INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
4140-01-302-5209INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
8976
4820-01-352-0199INTERCHANGEABLE
DISK,VALVE
8976 ITEM 3
4820-01-352-3772INTERCHANGEABLE
SEAT,VALVE
8976 ITEM 5
4330-01-369-4946INTERCHANGEABLE
FILTERING DISK,FLUID
8379
6515-01-568-1275INTERCHANGEABLE
CLIP,ANEURYSM
FE820K

Frequently Asked Questions

What is NSN 2915-00-024-5789?

NSN 2915-00-024-5789 is a Bellows Assembly,relief Valve, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2915-00-024-5789?

NSN 2915-00-024-5789 has 5 cross-referenced part numbers: P66-2509-01 (Robertshaw Tennessee/cookeville Automotive), 8976A (Triumph Engine Control Systems Llc), 8379 (Triumph Engine Control Systems Llc), 8976 (Triumph Engine Control Systems Llc), 8976B (Triumph Engine Control Systems Llc).

What NSN replaces 2915-00-024-5789?

There are 12 known substitutes for 2915-00-024-5789: 5360-00-076-9596, 5820-00-392-5834, 4320-00-394-2757 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8976A?

Key specifications for 8976A: FSC Application Data: ACFT ENG FUEL SYSTEM COMPONENTS; End Item Identification: NHA EMERGENCY REGULATOR ASSY,MODEL EC 12,FOR J47-GE-27 AIRCRAFT ENG; General Characteristics Item Description: BERYLLIUM COPPER,1.266 IN. MIN,1.346 IN. MAX FREE LENGTH,1.4965 IN. MIN,1.4995 IN. MAX DIA IN. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2915-00-024-5789 still in active supply?

NSN 2915-00-024-5789 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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