The Rocker Arm Assembly, cataloged under National Stock Number 2835-00-076-6503, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-00-076-6503 |
| Primary Part Number | 311491 |
| Item Name | Rocker Arm Assembly |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| General Characteristics Item Description | C/O 1 EACH ROCKER ARM,INVESTMENT CASTING CRES EMS 555 17-4 PH,CROSS-SHAPED AS VIEWED FROM TOP,LENGTH DATA,ROUNDED ENDS WITH HOLE IN EACH END,0.948 IN. MIN 0.952 IN. MAX LG FROM CENTER OF HOLE TO CENTER OF HOLE,0.180 IN. MIN 0.200 IN. MAX WIDTH,CROSS SECTION DATA,SQUARED ENDS,0.473 IN. MIN 0.477 IN. MAX DISTANCE FROM CENTER OF CROSS TO CENTER OF EACH HOLE,0.125 IN. MIN 0.135 IN. MAX WIDTH,U-SHAPED WITHEARS AS VIEWED FROM SIDE,OVER-ALL WIDTH 0.369 IN. MIN 0.373 IN. MAX,1 EACHPIN,CRES AMS 5643 17-4 PH,0.229 IN. MIN 0.249 IN. MAX LG,HEAD DATA,0.120 IN. MIN 0.130 IN. MAX LG,0.1256 IN. MIN 0.1262 IN. MAX DIA,SHANK DATA,0.109 IN. MIN 0.119 IN. MAX LG,0.044 IN. MIN 0.048 IN. MAX DIA,1 EACH PIN,CRES AMS 5643 17-4 PH,0.169 IN. MIN 0.185 IN. MAX LG,HEAD DATA,0.060 IN. MIN 0.066 IN. MAX LG,0.1256 IN. MIN 0.1262 IN. MAX DIA,SHANK DATA,0.109 IN. MIN0.119 IN. MAX LG,0.044 IN. MIN 0.048 IN. MAX DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 311491 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 311491 | 5/9 Secondary reference U.S. Government activity |
| 311491 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 2835-00-076-6503 is a Rocker Arm Assembly, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-00-076-6503 has 1 manufacturer part number on file: 311491 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
1 possible match (shared part number, not a government interchangeability claim): 2840-00-547-5644. Verify interchangeability with system specifications before substitution.
Key specifications for 311491: General Characteristics Item Description: C/O 1 EACH ROCKER ARM,INVESTMENT CASTING CRES EMS 555 17-4 PH,CROSS-SHAPED AS VIEWED FROM TOP,LENGTH DATA,ROUNDED ENDS WITH HOLE IN EACH END,0.948 IN. MIN 0.952 IN. MAX LG FROM CENTER OF HOLE TO CENTER OF HOLE,0.180 IN. MIN 0.200 IN. MAX WIDTH,CROSS SECTION DATA,SQUARED ENDS,0.473 IN. MIN 0.477 IN. MAX DISTANCE FROM CENTER OF CROSS TO CENTER OF EACH HOLE,0.125 IN. MIN 0.135 IN. MAX WIDTH,U-SHAPED WITHEARS AS VIEWED FROM SIDE,OVER-ALL WIDTH 0.369 IN. MIN 0.373 IN. MAX,1 EACHPIN,CRES AMS 5643 17-4 PH,0.229 IN. MIN 0.249 IN. MAX LG,HEAD DATA,0.120 IN. MIN 0.130 IN. MAX LG,0.1256 IN. MIN 0.1262 IN. MAX DIA,SHANK DATA,0.109 IN. MIN 0.119 IN. MAX LG,0.044 IN. MIN 0.048 IN. MAX DIA,1 EACH PIN,CRES AMS 5643 17-4 PH,0.169 IN. MIN 0.185 IN. MAX LG,HEAD DATA,0.060 IN. MIN 0.066 IN. MAX LG,0.1256 IN. MIN 0.1262 IN. MAX DIA,SHANK DATA,0.109 IN. MIN0.119 IN. MAX LG,0.044 IN. MIN 0.048 IN. MAX DIA IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.